diff --git a/lib/manager/github-actions/__fixtures__/workflow_3.yml b/lib/manager/github-actions/__fixtures__/workflow_3.yml
new file mode 100644
index 0000000000000000000000000000000000000000..781bec6781fb0c6c6e81e9632831f56004c176ae
--- /dev/null
+++ b/lib/manager/github-actions/__fixtures__/workflow_3.yml
@@ -0,0 +1,9 @@
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Auto merge
+        uses: "pascalgn/automerge-action@v0.13.1"
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+          MERGE_METHOD: squash
diff --git a/lib/manager/github-actions/__snapshots__/extract.spec.ts.snap b/lib/manager/github-actions/__snapshots__/extract.spec.ts.snap
index 412c11f3e339de8b9877abcfbf1ce4b6e2607e2a..42abf7b049a52a2dda5d2fd92617ed6ad501506c 100644
--- a/lib/manager/github-actions/__snapshots__/extract.spec.ts.snap
+++ b/lib/manager/github-actions/__snapshots__/extract.spec.ts.snap
@@ -136,3 +136,18 @@ Array [
   },
 ]
 `;
+
+exports[`manager/github-actions/extract extractPackageFile() extracts tag line with double quotes 1`] = `
+Array [
+  Object {
+    "autoReplaceStringTemplate": "{{depName}}@{{#if newDigest}}{{newDigest}}{{#if newValue}} # tag={{newValue}}{{/if}}{{/if}}{{#unless newDigest}}{{newValue}}{{/unless}}",
+    "commitMessageTopic": "{{{depName}}} action",
+    "currentValue": "v0.13.1",
+    "datasource": "github-tags",
+    "depName": "pascalgn/automerge-action",
+    "depType": "action",
+    "replaceString": "\\"pascalgn/automerge-action@v0.13.1\\"",
+    "versioning": "docker",
+  },
+]
+`;
diff --git a/lib/manager/github-actions/extract.spec.ts b/lib/manager/github-actions/extract.spec.ts
index cf3ec22966c1cb790da48e6776494e7dabbc7bb6..23a5511b3415d20b6600b17650eff62ae341d2a3 100644
--- a/lib/manager/github-actions/extract.spec.ts
+++ b/lib/manager/github-actions/extract.spec.ts
@@ -18,5 +18,18 @@ describe('manager/github-actions/extract', () => {
         res.deps.filter((d) => d.datasource === 'github-tags')
       ).toHaveLength(8);
     });
+    it('extracts tag line with double quotes', () => {
+      const res = extractPackageFile(Fixtures.get('workflow_3.yml'));
+      expect(res.deps).toMatchSnapshot([
+        {
+          currentValue: 'v0.13.1',
+          datasource: 'github-tags',
+          depName: 'pascalgn/automerge-action',
+          depType: 'action',
+          replaceString: '"pascalgn/automerge-action@v0.13.1"',
+          versioning: 'docker',
+        },
+      ]);
+    });
   });
 });
diff --git a/lib/manager/github-actions/extract.ts b/lib/manager/github-actions/extract.ts
index c322c1cb5dfe5b5c565474df5185f25c7920b6db..7e69c3416ef8cdf99ecb702e95c5f2de96a6e433 100644
--- a/lib/manager/github-actions/extract.ts
+++ b/lib/manager/github-actions/extract.ts
@@ -7,7 +7,7 @@ import type { PackageDependency, PackageFile } from '../types';
 
 const dockerRe = regEx(/^\s+uses: docker:\/\/([^"]+)\s*$/);
 const actionRe = regEx(
-  /^\s+-?\s+?uses: (?<replaceString>(?<depName>[\w-]+\/[\w-]+)(?<path>\/.*)?@(?<currentValue>.+?)\s*(?:#\s+(?:renovate:\s+)?tag=(?<tag>.+?))?)\s*?$/
+  /^\s+-?\s+?uses: (?<replaceString>['"]?(?<depName>[\w-]+\/[\w-]+)(?<path>\/.*)?@(?<currentValue>.+?)\s*['"]?(?:#\s+(?:renovate:\s+)?tag=(?<tag>.+?))?)\s*?$/
 );
 
 // SHA1 or SHA256, see https://github.blog/2020-10-19-git-2-29-released/