diff --git a/docs/usage/configuration-options.md b/docs/usage/configuration-options.md
index 3d7de7ee1f7c2d1cc4677b36bba817d06a92075f..b8f59365d8fe6f5f2bb0c789396f00055f0cc4be 100644
--- a/docs/usage/configuration-options.md
+++ b/docs/usage/configuration-options.md
@@ -348,6 +348,8 @@ By default, Renovate will "slugify" the groupName to determine the branch name.
 
 And then the branchName would be `renovate/eslint` instead.
 
+## helm-requirements
+
 ## homebrew
 
 ## hostRules
diff --git a/lib/config/definitions.ts b/lib/config/definitions.ts
index 33b9b7966cc0dc676c862266c7aafbf39c452d9c..92c1c22c16b569fa550bbaf48d6692c4799e8e35 100644
--- a/lib/config/definitions.ts
+++ b/lib/config/definitions.ts
@@ -1605,6 +1605,18 @@ const options: RenovateOptions[] = [
     mergeable: true,
     cli: false,
   },
+  {
+    name: 'helm-requirements',
+    description: 'Configuration object for helm requirements.yaml files.',
+    stage: 'package',
+    type: 'object',
+    default: {
+      commitMessageTopic: 'helm chart {{depName}}',
+      fileMatch: ['(^|/)requirements.yaml$'],
+    },
+    mergeable: true,
+    cli: false,
+  },
   {
     name: 'circleci',
     description:
diff --git a/lib/datasource/helm/index.js b/lib/datasource/helm/index.js
new file mode 100644
index 0000000000000000000000000000000000000000..f80da4b394740a92a135da34b87c89aadbed3ae8
--- /dev/null
+++ b/lib/datasource/helm/index.js
@@ -0,0 +1,88 @@
+import yaml from 'js-yaml';
+
+import got from '../../util/got';
+import { logger } from '../../logger';
+
+export async function getPkgReleases({ lookupName, registryUrls }) {
+  if (!lookupName) {
+    logger.warn(`lookupName was not provided to getPkgReleases`);
+    return null;
+  }
+  const [helmRepository] = registryUrls;
+  if (!helmRepository) {
+    logger.warn(`helmRepository was not provided to getPkgReleases`);
+    return null;
+  }
+  const repositoryData = await getRepositoryData(helmRepository);
+  if (!repositoryData) {
+    logger.warn(`Couldn't get index.yaml file from ${helmRepository}`);
+    return null;
+  }
+  const releases = repositoryData[lookupName];
+  if (!releases) {
+    logger.warn(
+      { dependency: lookupName },
+      `Entry ${lookupName} doesn't exist in index.yaml from ${helmRepository}`
+    );
+    return null;
+  }
+  return {
+    releases,
+  };
+}
+
+export async function getRepositoryData(repository) {
+  const cacheNamespace = 'datasource-helm';
+  const cacheKey = repository;
+  const cachedIndex = await renovateCache.get(cacheNamespace, cacheKey);
+  if (cachedIndex) {
+    return cachedIndex;
+  }
+  let res;
+  try {
+    res = await got('index.yaml', { baseUrl: repository });
+    if (!res || !res.body) {
+      logger.warn(`Received invalid response from ${repository}`);
+      return null;
+    }
+  } catch (err) {
+    if (err.statusCode === 404 || err.code === 'ENOTFOUND') {
+      logger.warn({ err }, 'index.yaml lookup error');
+      return null;
+    }
+    if (
+      err.statusCode === 429 ||
+      (err.statusCode >= 500 && err.statusCode < 600)
+    ) {
+      logger.warn({ err }, `${repository} server error`);
+      throw new Error('registry-failure');
+    }
+    logger.warn({ err }, `${repository} lookup failure: Unknown error`);
+    return null;
+  }
+  let result;
+  try {
+    const doc = yaml.safeLoad(res.body);
+    if (!doc) {
+      logger.warn(`Failed to parse index.yaml from ${repository}`);
+      return null;
+    }
+    result = {};
+    Object.keys(doc.entries).forEach(depName => {
+      const versions = doc.entries[depName].map(release => ({
+        version: release.version,
+        homepage: release.home,
+        sources: release.sources,
+        urls: release.urls,
+      }));
+      result[depName] = versions;
+    });
+    const cacheMinutes = 20;
+    await renovateCache.set(cacheNamespace, cacheKey, result, cacheMinutes);
+  } catch (err) {
+    logger.warn(`Failed to parse index.yaml from ${repository}`);
+    logger.debug(err);
+    return null;
+  }
+  return result;
+}
diff --git a/lib/datasource/index.ts b/lib/datasource/index.ts
index 269f0c9ed803ca74142aa21d2290994ea0c63df8..357ee2934a64d3fadc6b27af5b94276b24f15757 100644
--- a/lib/datasource/index.ts
+++ b/lib/datasource/index.ts
@@ -11,6 +11,7 @@ import * as gitlab from './gitlab';
 import * as gitTags from './git-tags';
 import * as go from './go';
 import * as gradleVersion from './gradle-version';
+import * as helm from './helm';
 import * as maven from './maven';
 import * as npm from './npm';
 import * as nuget from './nuget';
@@ -35,6 +36,7 @@ const datasources: Record<string, Datasource> = {
   cargo,
   dart,
   docker,
+  helm,
   hex,
   github,
   gitlab,
diff --git a/lib/manager/helm-requirements/extract.ts b/lib/manager/helm-requirements/extract.ts
new file mode 100644
index 0000000000000000000000000000000000000000..77a6cc2cfe4e17a59a75ce7e4b5b41ecc7dcb48d
--- /dev/null
+++ b/lib/manager/helm-requirements/extract.ts
@@ -0,0 +1,62 @@
+import is from '@sindresorhus/is';
+import upath from 'upath';
+import yaml from 'js-yaml';
+
+import { logger } from '../../logger';
+import { PackageFile, PackageDependency } from '../common';
+import { platform } from '../../platform';
+
+export async function extractPackageFile(
+  content: string,
+  fileName: string
+): Promise<PackageFile> {
+  try {
+    const baseDir = upath.parse(fileName).dir;
+    const chartFileName = upath.join(baseDir, 'Chart.yaml');
+    const chartContents = await platform.getFile(chartFileName);
+    if (!chartContents) {
+      logger.debug({ fileName }, 'Failed to find helm Chart.yaml');
+      return null;
+    }
+    const chart = yaml.safeLoad(chartContents);
+    if (!(chart && chart.apiVersion && chart.name && chart.version)) {
+      logger.debug(
+        { fileName },
+        'Failed to find required fields in Chart.yaml'
+      );
+      return null;
+    }
+  } catch (err) {
+    logger.debug({ fileName }, 'Failed to parse helm Chart.yaml');
+    return null;
+  }
+  let deps = [];
+  let doc;
+  try {
+    doc = yaml.safeLoad(content);
+  } catch (err) {
+    logger.debug({ fileName }, 'Failed to parse helm requirements.yaml');
+    return null;
+  }
+  if (!(doc && is.array(doc.dependencies))) {
+    logger.debug({ fileName }, 'requirements.yaml has no dependencies');
+    return null;
+  }
+  deps = doc.dependencies.map(dep => {
+    const res: PackageDependency = {
+      depName: dep.name,
+      currentValue: dep.version,
+      registryUrls: [dep.repository],
+    };
+    const url = new URL(dep.repository);
+    if (url.protocol === 'file:') {
+      res.skipReason = 'local-dependency';
+    }
+    return res;
+  });
+  const res = {
+    deps,
+    datasource: 'helm',
+  };
+  return res;
+}
diff --git a/lib/manager/helm-requirements/index.ts b/lib/manager/helm-requirements/index.ts
new file mode 100644
index 0000000000000000000000000000000000000000..a79cc4c1354603ec0ccf0e5c190022630b38736c
--- /dev/null
+++ b/lib/manager/helm-requirements/index.ts
@@ -0,0 +1,7 @@
+import { extractPackageFile } from './extract';
+import { updateDependency } from './update';
+
+module.exports = {
+  extractPackageFile,
+  updateDependency,
+};
diff --git a/lib/manager/helm-requirements/update.ts b/lib/manager/helm-requirements/update.ts
new file mode 100644
index 0000000000000000000000000000000000000000..e17c23e73c7a3918ea93ec8b6cdbe7581153ae90
--- /dev/null
+++ b/lib/manager/helm-requirements/update.ts
@@ -0,0 +1,75 @@
+import _ from 'lodash';
+import yaml from 'js-yaml';
+import is from '@sindresorhus/is';
+
+import { logger } from '../../logger';
+
+export function updateDependency(fileContent, upgrade) {
+  logger.trace({ config: upgrade }, 'updateDependency()');
+  if (!upgrade || !upgrade.depName || !upgrade.newValue) {
+    logger.debug('Failed to update dependency, invalid upgrade');
+    return fileContent;
+  }
+  const doc = yaml.safeLoad(fileContent);
+  if (!doc || !is.array(doc.dependencies)) {
+    logger.debug('Failed to update dependency, invalid requirements.yaml file');
+    return fileContent;
+  }
+  const { depName, newValue } = upgrade;
+  const oldVersion = doc.dependencies.filter(dep => dep.name === depName)[0]
+    .version;
+  doc.dependencies = doc.dependencies.map(dep =>
+    dep.name === depName ? { ...dep, version: newValue } : dep
+  );
+  const searchString = `${oldVersion}`;
+  const newString = `${newValue}`;
+  let newFileContent = fileContent;
+  // Search starts at 'dependencies' instead of `${depName}` because fields in a YAML record
+  // can be in arbitrary order for example like this:
+  /*
+  dependencies:
+    - version: 0.11.0
+      name: redis
+      repository: https://kubernetes-charts.storage.googleapis.com/
+    - version: 0.8.1
+      name: postgresql
+      repository: https://kubernetes-charts.storage.googleapis.com/
+  */
+  let searchIndex = fileContent.indexOf('dependencies') + 'dependencies'.length;
+  for (; searchIndex < fileContent.length; searchIndex += 1) {
+    // First check if we have a hit for the old version
+    if (matchAt(fileContent, searchIndex, searchString)) {
+      logger.trace(`Found match at index ${searchIndex}`);
+      // Now test if the result matches
+      const testContent = replaceAt(
+        fileContent,
+        searchIndex,
+        searchString,
+        newString
+      );
+      // Compare the parsed yaml structure of old and new
+      if (_.isEqual(doc, yaml.safeLoad(testContent))) {
+        newFileContent = testContent;
+        break;
+      } else {
+        logger.debug('Mismatched replace at searchIndex ' + searchIndex);
+      }
+    }
+  }
+  return newFileContent;
+}
+
+// Return true if the match string is found at index in content
+function matchAt(content, index, match) {
+  return content.substring(index, index + match.length) === match;
+}
+
+// Replace oldString with newString at location index of content
+function replaceAt(content, index, oldString, newString) {
+  logger.debug(`Replacing ${oldString} with ${newString} at index ${index}`);
+  return (
+    content.substr(0, index) +
+    newString +
+    content.substr(index + oldString.length)
+  );
+}
diff --git a/lib/manager/index.ts b/lib/manager/index.ts
index 6e02db23e91f24e3b09c4c849563f92c336d65f4..568614384997653a9f78a044d48322814f650710 100644
--- a/lib/manager/index.ts
+++ b/lib/manager/index.ts
@@ -27,6 +27,7 @@ const managerList = [
   'gomod',
   'gradle',
   'gradle-wrapper',
+  'helm-requirements',
   'homebrew',
   'kubernetes',
   'leiningen',
diff --git a/renovate-schema.json b/renovate-schema.json
index dac8e9819111e97958b61c8a6c01b3051327719b..9377ad485b3284ccba7b38d411af01b5e3069eeb 100644
--- a/renovate-schema.json
+++ b/renovate-schema.json
@@ -1056,6 +1056,15 @@
       },
       "$ref": "#"
     },
+    "helm-requirements": {
+      "description": "Configuration object for helm requirements.yaml files.",
+      "type": "object",
+      "default": {
+        "commitMessageTopic": "helm chart {{depName}}",
+        "fileMatch": ["(^|/)requirements.yaml$"]
+      },
+      "$ref": "#"
+    },
     "circleci": {
       "description": "Configuration object for CircleCI yml renovation. Also inherits settings from `docker` object.",
       "type": "object",
diff --git a/test/config/__snapshots__/validation.spec.ts.snap b/test/config/__snapshots__/validation.spec.ts.snap
index 3fa102606a9fbee593db9fd8e2abb91452d3d065..efe8cdf624bfafc242834e6761f8f8b4c90c528e 100644
--- a/test/config/__snapshots__/validation.spec.ts.snap
+++ b/test/config/__snapshots__/validation.spec.ts.snap
@@ -87,7 +87,7 @@ Array [
     "depName": "Configuration Error",
     "message": "packageRules:
         You have included an unsupported manager in a package rule. Your list: foo.
-        Supported managers are: (ansible, bazel, buildkite, bundler, cargo, circleci, composer, deps-edn, docker-compose, dockerfile, droneci, github-actions, gitlabci, gitlabci-include, gomod, gradle, gradle-wrapper, homebrew, kubernetes, leiningen, maven, meteor, mix, npm, nuget, nvm, pip_requirements, pip_setup, pipenv, poetry, pub, sbt, swift, terraform, travis, ruby-version).",
+        Supported managers are: (ansible, bazel, buildkite, bundler, cargo, circleci, composer, deps-edn, docker-compose, dockerfile, droneci, github-actions, gitlabci, gitlabci-include, gomod, gradle, gradle-wrapper, helm-requirements, homebrew, kubernetes, leiningen, maven, meteor, mix, npm, nuget, nvm, pip_requirements, pip_setup, pipenv, poetry, pub, sbt, swift, terraform, travis, ruby-version).",
   },
 ]
 `;
diff --git a/test/datasource/__snapshots__/helm.spec.ts.snap b/test/datasource/__snapshots__/helm.spec.ts.snap
new file mode 100644
index 0000000000000000000000000000000000000000..26a659db9bcba3c97c38784567ff629195790773
--- /dev/null
+++ b/test/datasource/__snapshots__/helm.spec.ts.snap
@@ -0,0 +1,611 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`datasource/helm getPkgReleases returns list of versions for normal response if index.yaml is cached 1`] = `
+Object {
+  "releases": Array [
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.7.0.tgz",
+      ],
+      "version": "2.7.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.6.2.tgz",
+      ],
+      "version": "2.6.2",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.6.1.tgz",
+      ],
+      "version": "2.6.1",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.6.0.tgz",
+      ],
+      "version": "2.6.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.5.1.tgz",
+      ],
+      "version": "2.5.1",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.5.0.tgz",
+      ],
+      "version": "2.5.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.4.1.tgz",
+      ],
+      "version": "2.4.1",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.4.0.tgz",
+      ],
+      "version": "2.4.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.3.1.tgz",
+      ],
+      "version": "2.3.1",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.3.0.tgz",
+      ],
+      "version": "2.3.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.2.5.tgz",
+      ],
+      "version": "2.2.5",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.2.4.tgz",
+      ],
+      "version": "2.2.4",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.2.3.tgz",
+      ],
+      "version": "2.2.3",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.2.2.tgz",
+      ],
+      "version": "2.2.2",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.2.1.tgz",
+      ],
+      "version": "2.2.1",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.2.0.tgz",
+      ],
+      "version": "2.2.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.1.0.tgz",
+      ],
+      "version": "2.1.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.0.2.tgz",
+      ],
+      "version": "2.0.2",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.0.1.tgz",
+      ],
+      "version": "2.0.1",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.0.0.tgz",
+      ],
+      "version": "2.0.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-1.1.5.tgz",
+      ],
+      "version": "1.1.5",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-1.1.4.tgz",
+      ],
+      "version": "1.1.4",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-1.1.3.tgz",
+      ],
+      "version": "1.1.3",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-1.1.2.tgz",
+      ],
+      "version": "1.1.2",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-1.1.1.tgz",
+      ],
+      "version": "1.1.1",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-1.1.0.tgz",
+      ],
+      "version": "1.1.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-1.0.0.tgz",
+      ],
+      "version": "1.0.0",
+    },
+  ],
+}
+`;
+
+exports[`datasource/helm getPkgReleases returns list of versions for normal response if index.yaml is not cached 1`] = `
+Object {
+  "releases": Array [
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.7.0.tgz",
+      ],
+      "version": "2.7.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.6.2.tgz",
+      ],
+      "version": "2.6.2",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.6.1.tgz",
+      ],
+      "version": "2.6.1",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.6.0.tgz",
+      ],
+      "version": "2.6.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.5.1.tgz",
+      ],
+      "version": "2.5.1",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.5.0.tgz",
+      ],
+      "version": "2.5.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.4.1.tgz",
+      ],
+      "version": "2.4.1",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.4.0.tgz",
+      ],
+      "version": "2.4.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.3.1.tgz",
+      ],
+      "version": "2.3.1",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.3.0.tgz",
+      ],
+      "version": "2.3.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.2.5.tgz",
+      ],
+      "version": "2.2.5",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.2.4.tgz",
+      ],
+      "version": "2.2.4",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.2.3.tgz",
+      ],
+      "version": "2.2.3",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.2.2.tgz",
+      ],
+      "version": "2.2.2",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.2.1.tgz",
+      ],
+      "version": "2.2.1",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.2.0.tgz",
+      ],
+      "version": "2.2.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.1.0.tgz",
+      ],
+      "version": "2.1.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.0.2.tgz",
+      ],
+      "version": "2.0.2",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.0.1.tgz",
+      ],
+      "version": "2.0.1",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-2.0.0.tgz",
+      ],
+      "version": "2.0.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-1.1.5.tgz",
+      ],
+      "version": "1.1.5",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-1.1.4.tgz",
+      ],
+      "version": "1.1.4",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-1.1.3.tgz",
+      ],
+      "version": "1.1.3",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-1.1.2.tgz",
+      ],
+      "version": "1.1.2",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-1.1.1.tgz",
+      ],
+      "version": "1.1.1",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-1.1.0.tgz",
+      ],
+      "version": "1.1.0",
+    },
+    Object {
+      "homepage": "https://www.getambassador.io/",
+      "sources": Array [
+        "https://github.com/datawire/ambassador",
+        "https://github.com/prometheus/statsd_exporter",
+      ],
+      "urls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/ambassador-1.0.0.tgz",
+      ],
+      "version": "1.0.0",
+    },
+  ],
+}
+`;
+
+exports[`datasource/helm getPkgReleases throws for 5xx 1`] = `[Error: registry-failure]`;
diff --git a/test/datasource/helm.spec.ts b/test/datasource/helm.spec.ts
new file mode 100644
index 0000000000000000000000000000000000000000..41dcc36836a701727fa0cb208ab05562ede8741a
--- /dev/null
+++ b/test/datasource/helm.spec.ts
@@ -0,0 +1,161 @@
+import fs from 'fs';
+import _got from '../../lib/util/got';
+import { getPkgReleases, getRepositoryData } from '../../lib/datasource/helm';
+
+const got: any = _got;
+
+// Truncated index.yaml file
+const indexYaml = fs.readFileSync(
+  'test/datasource/helm/_fixtures/index.yaml',
+  'utf8'
+);
+
+jest.mock('../../lib/util/got');
+
+describe('datasource/helm', () => {
+  describe('getPkgReleases', () => {
+    beforeEach(() => {
+      jest.resetAllMocks();
+      global.repoCache = {};
+      return global.renovateCache.rmAll();
+    });
+    it('returns null if lookupName was not provided', async () => {
+      expect(
+        await getPkgReleases({
+          lookupName: undefined,
+          registryUrls: ['example-repository.com'],
+        })
+      ).toBeNull();
+    });
+    it('returns null if repository was not provided', async () => {
+      expect(
+        await getPkgReleases({
+          lookupName: 'some_chart',
+          registryUrls: [],
+        })
+      ).toBeNull();
+    });
+    it('returns null for empty response', async () => {
+      got.mockReturnValueOnce(null);
+      expect(
+        await getPkgReleases({
+          lookupName: 'non_existent_chart',
+          registryUrls: ['example-repository.com'],
+        })
+      ).toBeNull();
+    });
+    it('returns null for missing response body', async () => {
+      got.mockReturnValueOnce({
+        body: undefined,
+      });
+      expect(
+        await getPkgReleases({
+          lookupName: 'non_existent_chart',
+          registryUrls: ['example-repository.com'],
+        })
+      ).toBeNull();
+    });
+    it('returns null for 404', async () => {
+      got.mockImplementationOnce(() =>
+        Promise.reject({
+          statusCode: 404,
+        })
+      );
+      expect(
+        await getPkgReleases({
+          lookupName: 'some_chart',
+          registryUrls: ['example-repository.com'],
+        })
+      ).toBeNull();
+    });
+    it('throws for 5xx', async () => {
+      got.mockImplementationOnce(() =>
+        Promise.reject({
+          statusCode: 502,
+        })
+      );
+      let e;
+      try {
+        await getPkgReleases({
+          lookupName: 'some_chart',
+          registryUrls: ['example-repository.com'],
+        });
+      } catch (err) {
+        e = err;
+      }
+      expect(e).toBeDefined();
+      expect(e).toMatchSnapshot();
+    });
+    it('returns null for unknown error', async () => {
+      got.mockImplementationOnce(() => {
+        throw new Error();
+      });
+      expect(
+        await getPkgReleases({
+          lookupName: 'some_chart',
+          registryUrls: ['example-repository.com'],
+        })
+      ).toBeNull();
+    });
+    it('returns null if index.yaml in response is empty', async () => {
+      const res = { body: '# A comment' };
+      got.mockReturnValueOnce(res);
+      const releases = await getPkgReleases({
+        lookupName: 'non_existent_chart',
+        registryUrls: ['example-repository.com'],
+      });
+      expect(releases).toBeNull();
+    });
+    it('returns null if index.yaml in response is invalid', async () => {
+      const res = {
+        body: `some
+                     invalid:
+                     [
+                     yaml`,
+      };
+      got.mockReturnValueOnce(res);
+      const releases = await getPkgReleases({
+        lookupName: 'non_existent_chart',
+        registryUrls: ['example-repository.com'],
+      });
+      expect(releases).toBeNull();
+    });
+    it('returns null if lookupName is not in index.yaml', async () => {
+      got.mockReturnValueOnce({ body: indexYaml });
+      const releases = await getPkgReleases({
+        lookupName: 'non_existent_chart',
+        registryUrls: ['example-repository.com'],
+      });
+      expect(releases).toBeNull();
+    });
+    it('returns list of versions for normal response if index.yaml is not cached', async () => {
+      got.mockReturnValueOnce({ body: indexYaml });
+      const releases = await getPkgReleases({
+        lookupName: 'ambassador',
+        registryUrls: ['example-repository.com'],
+      });
+      expect(releases).not.toBeNull();
+      expect(releases).toMatchSnapshot();
+    });
+    it('returns list of versions for normal response if index.yaml is cached', async () => {
+      const repository = 'example-repository.com';
+      const cacheNamespace = 'datasource-helm';
+      const cacheKey = repository;
+      const cacheMinutes = 10;
+      got.mockReturnValueOnce({ body: indexYaml });
+      const repositoryData = await getRepositoryData(repository);
+      await global.renovateCache.set(
+        cacheNamespace,
+        cacheKey,
+        repositoryData,
+        cacheMinutes
+      );
+      const releases = await getPkgReleases({
+        lookupName: 'ambassador',
+        registryUrls: [repository],
+      });
+      expect(releases).not.toBeNull();
+      expect(releases).toMatchSnapshot();
+    });
+  });
+});
diff --git a/test/datasource/helm/_fixtures/index.yaml b/test/datasource/helm/_fixtures/index.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..c894cecfdd5f4f98d76728066391da9a837e5d6d
--- /dev/null
+++ b/test/datasource/helm/_fixtures/index.yaml
@@ -0,0 +1,1875 @@
+apiVersion: v1
+entries:
+  acs-engine-autoscaler:
+  - apiVersion: v1
+    appVersion: 2.1.1
+    created: 2019-06-02T08:56:36.116031089Z
+    deprecated: true
+    description: DEPRECATED Scales worker nodes within agent pools
+    digest: 93f924d4498d588bcdda88c7401e27c6fa0f50ff0601e78885eca13eb683c1e2
+    home: https://github.com/wbuchwalter/Kubernetes-acs-engine-autoscaler
+    icon: https://github.com/kubernetes/kubernetes/blob/master/logo/logo.png
+    name: acs-engine-autoscaler
+    sources:
+    - https://github.com/wbuchwalter/Kubernetes-acs-engine-autoscaler
+    urls:
+    - https://kubernetes-charts.storage.googleapis.com/acs-engine-autoscaler-2.2.2.tgz
+    version: 2.2.2
+  - apiVersion: v1
+    appVersion: 2.1.1
+    created: 2018-12-11T02:55:17.96986758Z
+    description: Scales worker nodes within agent pools
+    digest: 3232999ebabc42cd7c5475251b5cd2e0c6bf4363551cff13ebe3a78cee1dfba6
+    home: https://github.com/wbuchwalter/Kubernetes-acs-engine-autoscaler
+    icon: https://github.com/kubernetes/kubernetes/blob/master/logo/logo.png
+    maintainers:
+    - email: ritazh@microsoft.com
+      name: ritazh
+    - email: wibuch@microsoft.com
+      name: wbuchwalter
+    name: acs-engine-autoscaler
+    sources:
+    - https://github.com/wbuchwalter/Kubernetes-acs-engine-autoscaler
+    urls:
+    - https://kubernetes-charts.storage.googleapis.com/acs-engine-autoscaler-2.2.1.tgz
+    version: 2.2.1
+  - apiVersion: v1
+    appVersion: 2.1.1
+    created: 2018-11-28T23:56:19.641278965Z
+    description: Scales worker nodes within agent pools
+    digest: 5904caae456eecd1fed0a5d58f4a6f46e1fe97f954c4467e49fc80f91d912a10
+    home: https://github.com/wbuchwalter/Kubernetes-acs-engine-autoscaler
+    icon: https://github.com/kubernetes/kubernetes/blob/master/logo/logo.png
+    maintainers:
+    - email: ritazh@microsoft.com
+      name: ritazh
+    - email: wibuch@microsoft.com
+      name: wbuchwalter
+    name: acs-engine-autoscaler
+    sources:
+    - https://github.com/wbuchwalter/Kubernetes-acs-engine-autoscaler
+    urls:
+    - https://kubernetes-charts.storage.googleapis.com/acs-engine-autoscaler-2.2.0.tgz
+    version: 2.2.0
+  - apiVersion: v1
+    appVersion: 2.1.1
+    created: 2018-05-24T20:26:32.448882784Z
+    description: Scales worker nodes within agent pools
+    digest: 8b4e05fd9357296ba20d20ff4f163d25abd511fc0db9aee8e34b6de17a7d6bc0
+    home: https://github.com/wbuchwalter/Kubernetes-acs-engine-autoscaler
+    icon: https://github.com/kubernetes/kubernetes/blob/master/logo/logo.png
+    maintainers:
+    - email: ritazh@microsoft.com
+      name: ritazh
+    - email: wibuch@microsoft.com
+      name: wbuchwalter
+    name: acs-engine-autoscaler
+    sources:
+    - https://github.com/wbuchwalter/Kubernetes-acs-engine-autoscaler
+    urls:
+    - https://kubernetes-charts.storage.googleapis.com/acs-engine-autoscaler-2.1.5.tgz
+    version: 2.1.5
+  - apiVersion: v1
+    appVersion: 2.1.1
+    created: 2018-05-17T21:41:20.048576102Z
+    description: Scales worker nodes within agent pools
+    digest: 1e86ff353b82a832c88d05bf73c6cef3dea3673c4cb93d4816aa0d2e75929e5e
+    home: https://github.com/wbuchwalter/Kubernetes-acs-engine-autoscaler
+    icon: https://github.com/kubernetes/kubernetes/blob/master/logo/logo.png
+    maintainers:
+    - email: ritazh@microsoft.com
+      name: ritazh
+    - email: wibuch@microsoft.com
+      name: wbuchwalter
+    name: acs-engine-autoscaler
+    sources:
+    - https://github.com/wbuchwalter/Kubernetes-acs-engine-autoscaler
+    urls:
+    - https://kubernetes-charts.storage.googleapis.com/acs-engine-autoscaler-2.1.4.tgz
+    version: 2.1.4
+  - apiVersion: v1
+    appVersion: 2.1.1
+    created: 2018-04-07T09:56:31.271617864Z
+    description: Scales worker nodes within agent pools
+    digest: 5c016fefd8942b008abf41f282906d055f4a61f650ad125746843e62efc01bd0
+    icon: https://github.com/kubernetes/kubernetes/blob/master/logo/logo.png
+    maintainers:
+    - email: ritazh@microsoft.com
+      name: ritazh
+    - email: wibuch@microsoft.com
+      name: wbuchwalter
+    name: acs-engine-autoscaler
+    sources:
+    - https://github.com/wbuchwalter/Kubernetes-acs-engine-autoscaler
+    urls:
+    - https://kubernetes-charts.storage.googleapis.com/acs-engine-autoscaler-2.1.3.tgz
+    version: 2.1.3
+  - apiVersion: v1
+    appVersion: 2.1.1
+    created: 2018-02-28T19:04:23.819056988Z
+    description: Scales worker nodes within agent pools
+    digest: c3d0aa9f61913913735a0904577681328ae9374ff30d2bfa0ee33348b069cb7d
+    icon: https://github.com/kubernetes/kubernetes/blob/master/logo/logo.png
+    maintainers:
+    - email: ritazh@microsoft.com
+      name: ritazh
+    - email: wibuch@microsoft.com
+      name: wbuchwalter
+    name: acs-engine-autoscaler
+    sources:
+    - https://github.com/wbuchwalter/Kubernetes-acs-engine-autoscaler
+    urls:
+    - https://kubernetes-charts.storage.googleapis.com/acs-engine-autoscaler-2.1.2.tgz
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+    - https://github.com/prometheus/statsd_exporter
+    urls:
+    - https://kubernetes-charts.storage.googleapis.com/ambassador-1.0.0.tgz
+    version: 1.0.0
diff --git a/test/manager/helm-requirements/__snapshots__/extract.spec.ts.snap b/test/manager/helm-requirements/__snapshots__/extract.spec.ts.snap
new file mode 100644
index 0000000000000000000000000000000000000000..ac198e805b38c35840e58ca212dd9bd520e78fdb
--- /dev/null
+++ b/test/manager/helm-requirements/__snapshots__/extract.spec.ts.snap
@@ -0,0 +1,46 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`lib/manager/helm/extract extractPackageFile() parses simple requirements.yaml correctly 1`] = `
+Object {
+  "datasource": "helm",
+  "deps": Array [
+    Object {
+      "currentValue": "0.9.0",
+      "depName": "redis",
+      "registryUrls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/",
+      ],
+    },
+    Object {
+      "currentValue": "0.8.1",
+      "depName": "postgresql",
+      "registryUrls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/",
+      ],
+    },
+  ],
+}
+`;
+
+exports[`lib/manager/helm/extract extractPackageFile() skips local dependencies 1`] = `
+Object {
+  "datasource": "helm",
+  "deps": Array [
+    Object {
+      "currentValue": "0.9.0",
+      "depName": "redis",
+      "registryUrls": Array [
+        "https://kubernetes-charts.storage.googleapis.com/",
+      ],
+    },
+    Object {
+      "currentValue": "0.8.1",
+      "depName": "postgresql",
+      "registryUrls": Array [
+        "file:///some/local/path/",
+      ],
+      "skipReason": "local-dependency",
+    },
+  ],
+}
+`;
diff --git a/test/manager/helm-requirements/__snapshots__/update.spec.ts.snap b/test/manager/helm-requirements/__snapshots__/update.spec.ts.snap
new file mode 100644
index 0000000000000000000000000000000000000000..dd97ba5f416e80b7317bf4ed46d463676b33b55f
--- /dev/null
+++ b/test/manager/helm-requirements/__snapshots__/update.spec.ts.snap
@@ -0,0 +1,37 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`lib/manager/helm/extract updateDependency() upgrades dependency if newValue version value is repeated 1`] = `
+"
+      dependencies:
+        - version: 0.9.0
+          name: redis
+          repository: https://kubernetes-charts.storage.googleapis.com/
+        - name: postgresql
+          version: 0.11.0
+          repository: https://kubernetes-charts.storage.googleapis.com/
+      "
+`;
+
+exports[`lib/manager/helm/extract updateDependency() upgrades dependency if valid upgrade 1`] = `
+"
+      dependencies:
+        - name: redis
+          version: 0.11.0
+          repository: https://kubernetes-charts.storage.googleapis.com/
+        - name: postgresql
+          version: 0.8.1
+          repository: https://kubernetes-charts.storage.googleapis.com/
+      "
+`;
+
+exports[`lib/manager/helm/extract updateDependency() upgrades dependency if version field comes before name field 1`] = `
+"
+      dependencies:
+        - version: 0.11.0
+          name: redis
+          repository: https://kubernetes-charts.storage.googleapis.com/
+        - name: postgresql
+          version: 0.8.1
+          repository: https://kubernetes-charts.storage.googleapis.com/
+      "
+`;
diff --git a/test/manager/helm-requirements/extract.spec.ts b/test/manager/helm-requirements/extract.spec.ts
new file mode 100644
index 0000000000000000000000000000000000000000..b12431afd6b359b6d4076a8f2391587cd99031d5
--- /dev/null
+++ b/test/manager/helm-requirements/extract.spec.ts
@@ -0,0 +1,124 @@
+import { extractPackageFile } from '../../../lib/manager/helm-requirements/extract';
+import { platform as _platform } from '../../../lib/platform';
+
+const platform: any = _platform;
+
+describe('lib/manager/helm/extract', () => {
+  describe('extractPackageFile()', () => {
+    beforeEach(() => {
+      jest.resetAllMocks();
+    });
+    it('parses simple requirements.yaml correctly', async () => {
+      platform.getFile.mockReturnValueOnce(`
+      apiVersion: v1
+      appVersion: "1.0"
+      description: A Helm chart for Kubernetes
+      name: example
+      version: 0.1.0
+      `);
+      const content = `
+      dependencies:
+        - name: redis
+          version: 0.9.0
+          repository: https://kubernetes-charts.storage.googleapis.com/
+        - name: postgresql
+          version: 0.8.1
+          repository: https://kubernetes-charts.storage.googleapis.com/
+      `;
+      const fileName = 'requirements.yaml';
+      const result = await extractPackageFile(content, fileName);
+      expect(result).not.toBeNull();
+      expect(result).toMatchSnapshot();
+    });
+    it('parses simple requirements.yaml but skips if necessary fields missing', async () => {
+      platform.getFile.mockReturnValueOnce(`
+      apiVersion: v1
+      appVersion: "1.0"
+      description: A Helm chart for Kubernetes
+      name: example
+      `);
+      const fileName = 'requirements.yaml';
+      const result = await extractPackageFile('', fileName);
+      expect(result).toBeNull();
+    });
+    it("doesn't fail if Chart.yaml is invalid", async () => {
+      platform.getFile.mockReturnValueOnce(`
+      Invalid Chart.yaml content.
+      arr:
+      [
+      `);
+      const content = `
+      dependencies:
+        - name: redis
+          version: 0.9.0
+          repository: https://kubernetes-charts.storage.googleapis.com/
+        - name: postgresql
+          version: 0.8.1
+          repository: https://kubernetes-charts.storage.googleapis.com/
+      `;
+      const fileName = 'requirements.yaml';
+      const result = await extractPackageFile(content, fileName);
+      expect(result).toBeNull();
+    });
+    it('skips local dependencies', async () => {
+      platform.getFile.mockReturnValueOnce(`
+      apiVersion: v1
+      appVersion: "1.0"
+      description: A Helm chart for Kubernetes
+      name: example
+      version: 0.1.0
+      `);
+      const content = `
+      dependencies:
+        - name: redis
+          version: 0.9.0
+          repository: https://kubernetes-charts.storage.googleapis.com/
+        - name: postgresql
+          version: 0.8.1
+          repository: file:///some/local/path/
+      `;
+      const fileName = 'requirements.yaml';
+      const result = await extractPackageFile(content, fileName);
+      expect(result).not.toBeNull();
+      expect(result).toMatchSnapshot();
+    });
+    it('returns null if no dependencies', async () => {
+      platform.getFile.mockReturnValueOnce(`
+      apiVersion: v1
+      appVersion: "1.0"
+      description: A Helm chart for Kubernetes
+      name: example
+      version: 0.1.0
+      `);
+      const content = `
+      hello: world
+      `;
+      const fileName = 'requirements.yaml';
+      const result = await extractPackageFile(content, fileName);
+      expect(result).toBeNull();
+    });
+    it('returns null if requirements.yaml is invalid', async () => {
+      platform.getFile.mockReturnValueOnce(`
+      apiVersion: v1
+      appVersion: "1.0"
+      description: A Helm chart for Kubernetes
+      name: example
+      version: 0.1.0
+      `);
+      const content = `
+      Invalid requirements.yaml content.
+      dependencies:
+      [
+      `;
+      const fileName = 'requirements.yaml';
+      const result = await extractPackageFile(content, fileName);
+      expect(result).toBeNull();
+    });
+    it('returns null if Chart.yaml is empty', async () => {
+      const content = '';
+      const fileName = 'requirements.yaml';
+      const result = await extractPackageFile(content, fileName);
+      expect(result).toBeNull();
+    });
+  });
+});
diff --git a/test/manager/helm-requirements/update.spec.ts b/test/manager/helm-requirements/update.spec.ts
new file mode 100644
index 0000000000000000000000000000000000000000..81c8139f4295cc0cfc3548a5e25d49cd42cf3d4b
--- /dev/null
+++ b/test/manager/helm-requirements/update.spec.ts
@@ -0,0 +1,98 @@
+import { updateDependency } from '../../../lib/manager/helm-requirements/update';
+
+describe('lib/manager/helm/extract', () => {
+  describe('updateDependency()', () => {
+    it('returns the same fileContent for undefined upgrade', () => {
+      const content = `
+      dependencies:
+        - name: redis
+          version: 0.9.0
+          repository: https://kubernetes-charts.storage.googleapis.com/
+        - name: postgresql
+          version: 0.8.1
+          repository: https://kubernetes-charts.storage.googleapis.com/
+      `;
+      const upgrade = undefined;
+
+      expect(updateDependency(content, upgrade)).toBe(content);
+    });
+    it('returns the same fileContent for invalid requirements.yaml file', () => {
+      const content = `
+       Invalid requirements.yaml content.
+      `;
+      const upgrade = {
+        depName: 'redis',
+        newValue: '0.11.0',
+        repository: 'https://kubernetes-charts.storage.googleapis.com/',
+      };
+      expect(updateDependency(content, upgrade)).toBe(content);
+    });
+    it('returns the same fileContent for empty upgrade', () => {
+      const content = `
+      dependencies:
+        - name: redis
+          version: 0.9.0
+          repository: https://kubernetes-charts.storage.googleapis.com/
+        - name: postgresql
+          version: 0.8.1
+          repository: https://kubernetes-charts.storage.googleapis.com/
+      `;
+      const upgrade = {};
+      expect(updateDependency(content, upgrade)).toBe(content);
+    });
+    it('upgrades dependency if valid upgrade', () => {
+      const content = `
+      dependencies:
+        - name: redis
+          version: 0.9.0
+          repository: https://kubernetes-charts.storage.googleapis.com/
+        - name: postgresql
+          version: 0.8.1
+          repository: https://kubernetes-charts.storage.googleapis.com/
+      `;
+      const upgrade = {
+        depName: 'redis',
+        newValue: '0.11.0',
+        repository: 'https://kubernetes-charts.storage.googleapis.com/',
+      };
+      expect(updateDependency(content, upgrade)).not.toBe(content);
+      expect(updateDependency(content, upgrade)).toMatchSnapshot();
+    });
+    it('upgrades dependency if version field comes before name field', () => {
+      const content = `
+      dependencies:
+        - version: 0.9.0
+          name: redis
+          repository: https://kubernetes-charts.storage.googleapis.com/
+        - name: postgresql
+          version: 0.8.1
+          repository: https://kubernetes-charts.storage.googleapis.com/
+      `;
+      const upgrade = {
+        depName: 'redis',
+        newValue: '0.11.0',
+        repository: 'https://kubernetes-charts.storage.googleapis.com/',
+      };
+      expect(updateDependency(content, upgrade)).not.toBe(content);
+      expect(updateDependency(content, upgrade)).toMatchSnapshot();
+    });
+    it('upgrades dependency if newValue version value is repeated', () => {
+      const content = `
+      dependencies:
+        - version: 0.9.0
+          name: redis
+          repository: https://kubernetes-charts.storage.googleapis.com/
+        - name: postgresql
+          version: 0.9.0
+          repository: https://kubernetes-charts.storage.googleapis.com/
+      `;
+      const upgrade = {
+        depName: 'postgresql',
+        newValue: '0.11.0',
+        repository: 'https://kubernetes-charts.storage.googleapis.com/',
+      };
+      expect(updateDependency(content, upgrade)).not.toBe(content);
+      expect(updateDependency(content, upgrade)).toMatchSnapshot();
+    });
+  });
+});
diff --git a/test/workers/repository/extract/__snapshots__/index.spec.js.snap b/test/workers/repository/extract/__snapshots__/index.spec.js.snap
index ece6795070177429105018477d944bf578eb3e22..427fd951f538caab7f24039f134188c19ba28180 100644
--- a/test/workers/repository/extract/__snapshots__/index.spec.js.snap
+++ b/test/workers/repository/extract/__snapshots__/index.spec.js.snap
@@ -53,6 +53,9 @@ Object {
   "gradle-wrapper": Array [
     Object {},
   ],
+  "helm-requirements": Array [
+    Object {},
+  ],
   "homebrew": Array [
     Object {},
   ],