diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index fe7d6f58..9557745c 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.21.3
+          go-version: 1.21.6
       - uses: actions/checkout@v2
         with:
           fetch-depth: '0'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4253ae47..304e0fe0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.21.3
+          go-version: 1.21.6
       - name: Set up Cosign
         uses: sigstore/cosign-installer@v3
       - name: Retrieve version
diff --git a/.github/workflows/test-gh.yml b/.github/workflows/test-gh.yml
index ae1076fe..ccad7b70 100644
--- a/.github/workflows/test-gh.yml
+++ b/.github/workflows/test-gh.yml
@@ -13,7 +13,7 @@ jobs:
     - name: Set up Go 1.x
       uses: actions/setup-go@v1
       with:
-        go-version: 1.21.3
+        go-version: 1.21.6
     - name: Check out code into the Go module directory
       uses: actions/checkout@v1
       with:
diff --git a/.github/workflows/trivy-scan.yml b/.github/workflows/trivy-scan.yml
index af4726f4..6a5d1394 100644
--- a/.github/workflows/trivy-scan.yml
+++ b/.github/workflows/trivy-scan.yml
@@ -10,7 +10,7 @@ jobs:
     with:
       repo: carvel-dev/vendir
       tool: vendir
-      goVersion: 1.21.3
+      goVersion: 1.21.6
     secrets:
       githubToken: ${{ secrets.GITHUB_TOKEN }}
       slackWebhookURL: ${{ secrets.SLACK_WEBHOOK_URL }}