diff --git a/README.md b/README.md
index bbc0d0a76dcdc9cdf2ab550422cd048eeccc9692..83b1a6359ea532d57004c995e3b465f9bac72f8f 100644
--- a/README.md
+++ b/README.md
@@ -143,6 +143,8 @@ In order to update the kube-prometheus dependency, simply use the jsonnet-bundle
 
 e.g. of how to compile the manifests: `./build.sh example.jsonnet`
 
+> before compiling, install `gojsontoyaml` tool with `go get github.com/brancz/gojsontoyaml`
+
 Here's [example.jsonnet](example.jsonnet):
 
 [embedmd]:# (example.jsonnet)
@@ -279,6 +281,7 @@ These are the available fields with their respective default values:
         names: 'k8s',
         replicas: 2,
         rules: {},
+        enableAdminApi: 'true',
     },
 
     alertmanager+:: {
diff --git a/example.jsonnet b/example.jsonnet
index 2a10509c18e5087cf16939eaa9e9534932a50008..aa4c50f1e2aa0e97c88a28b01f8e75bc5b76648c 100644
--- a/example.jsonnet
+++ b/example.jsonnet
@@ -2,6 +2,10 @@ local kp = (import 'kube-prometheus/kube-prometheus.libsonnet') + {
   _config+:: {
     namespace: 'monitoring',
   },
+  prometheus+:: {
+    name: 'k8s',
+    enableAdminApi: 'true',
+  },
 };
 
 { ['00namespace-' + name]: kp.kubePrometheus[name] for name in std.objectFields(kp.kubePrometheus) } +
diff --git a/jsonnet/kube-prometheus/kube-prometheus.libsonnet b/jsonnet/kube-prometheus/kube-prometheus.libsonnet
index 7dae5f38bd0587b5472f6aef8a4ec9e85aeaedf2..915d363f8b29305da94e63a1ee6c5ea9de53e81b 100644
--- a/jsonnet/kube-prometheus/kube-prometheus.libsonnet
+++ b/jsonnet/kube-prometheus/kube-prometheus.libsonnet
@@ -82,6 +82,8 @@ local configMapList = k.core.v1.configMapList;
     prometheusSelector: 'job="prometheus-k8s"',
     prometheusOperatorSelector: 'job="prometheus-operator"',
 
+    enableAdminApi: 'true',
+
     jobs: {
       Kubelet: $._config.kubeletSelector,
       KubeScheduler: $._config.kubeSchedulerSelector,
@@ -97,6 +99,7 @@ local configMapList = k.core.v1.configMapList;
 
     prometheus+:: {
       rules: $.prometheusRules + $.prometheusAlerts,
+      enableAdminApi: $._config.enableAdminApi,
     },
 
     grafana+:: {
diff --git a/jsonnet/kube-prometheus/prometheus/prometheus.libsonnet b/jsonnet/kube-prometheus/prometheus/prometheus.libsonnet
index 89d55bcc8abe0b540b3bebb0c0498bb8dcd8fec8..047a6dd072889ae6366231ebb14aa8d5c30fc034 100644
--- a/jsonnet/kube-prometheus/prometheus/prometheus.libsonnet
+++ b/jsonnet/kube-prometheus/prometheus/prometheus.libsonnet
@@ -18,6 +18,7 @@ local k = import 'ksonnet/ksonnet.beta.3/k.libsonnet';
 
     prometheus+:: {
       name: 'k8s',
+      enableAdminApi: 'true',
       replicas: 2,
       rules: {},
       renderedRules: {},
@@ -168,6 +169,7 @@ local k = import 'ksonnet/ksonnet.beta.3/k.libsonnet';
           replicas: $._config.prometheus.replicas,
           version: $._config.versions.prometheus,
           baseImage: $._config.imageRepos.prometheus,
+          enableAdminApi: $._config.prometheus.enableAdminApi,
           serviceAccountName: 'prometheus-' + $._config.prometheus.name,
           serviceMonitorSelector: {},
           serviceMonitorNamespaceSelector: {},
diff --git a/manifests/0prometheus-operator-0prometheusCustomResourceDefinition.yaml b/manifests/0prometheus-operator-0prometheusCustomResourceDefinition.yaml
index 627ce96d4be312855b1265ef59dc52008562215b..a9b3cdfa68166fd1881843deaab0a8934b3c59c0 100644
--- a/manifests/0prometheus-operator-0prometheusCustomResourceDefinition.yaml
+++ b/manifests/0prometheus-operator-0prometheusCustomResourceDefinition.yaml
@@ -1538,6 +1538,9 @@ spec:
                 required:
                 - name
               type: array
+            enableAdminApi:
+              description: Enable access to prometheus web admin API. More info: https://prometheus.io/docs/prometheus/latest/querying/api/#tsdb-admin-apis
+              type: boolean
             evaluationInterval:
               description: Interval between consecutive evaluations.
               type: string
diff --git a/manifests/prometheus-prometheus.yaml b/manifests/prometheus-prometheus.yaml
index c16914b09a4bf8dbd1b368f52d96c4cd8db93832..18bdcf748aeb844770c7ec04283e3e43c336c97d 100644
--- a/manifests/prometheus-prometheus.yaml
+++ b/manifests/prometheus-prometheus.yaml
@@ -12,6 +12,7 @@ spec:
       namespace: monitoring
       port: web
   baseImage: quay.io/prometheus/prometheus
+  enableAdminApi: true
   nodeSelector:
     beta.kubernetes.io/os: linux
   replicas: 2