diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 2653e62..77b2d74 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -16,7 +16,8 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.21"
+          # renovate: datasource=golang-version depName=go versioning=semver
+          go-version: "1.21.11"
 
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v6
diff --git a/.github/workflows/coverage-badge-for-prs.yml b/.github/workflows/coverage-badge-for-prs.yml
index 033033b..879c5b2 100644
--- a/.github/workflows/coverage-badge-for-prs.yml
+++ b/.github/workflows/coverage-badge-for-prs.yml
@@ -19,7 +19,8 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.21"
+          # renovate: datasource=golang-version depName=go versioning=semver
+          go-version: "1.21.11"
 
       - name: Run Test
         run: |
diff --git a/.github/workflows/release-security-fix.yml b/.github/workflows/release-security-fix.yml
index e0f14b5..073f625 100644
--- a/.github/workflows/release-security-fix.yml
+++ b/.github/workflows/release-security-fix.yml
@@ -33,7 +33,8 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.21"
+          # renovate: datasource=golang-version depName=go versioning=semver
+          go-version: "1.21.11"
         if: steps.scan_latest_release.outcome == 'failure'
 
       - name: Verify dependencies