diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index f366f087..d5854387 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: "1.21.6"
+          go-version: "1.21.9"
       - uses: actions/checkout@v2
         with:
           fetch-depth: '0'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f7a25a54..c1d2265b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.21.6
+          go-version: 1.21.9
 
       - name: Set up Cosign
         uses: sigstore/cosign-installer@v3
diff --git a/.github/workflows/test-gh.yml b/.github/workflows/test-gh.yml
index f24fc1d3..5a40b3fe 100644
--- a/.github/workflows/test-gh.yml
+++ b/.github/workflows/test-gh.yml
@@ -29,7 +29,7 @@ jobs:
     - name: Set up Go 1.x
       uses: actions/setup-go@v3
       with:
-        go-version: "1.21.6"
+        go-version: "1.21.9"
     - name: Check out code into the Go module directory
       uses: actions/checkout@v3.3.0
       with:
diff --git a/.github/workflows/trivy-scan.yml b/.github/workflows/trivy-scan.yml
index 770d290a..b9699270 100644
--- a/.github/workflows/trivy-scan.yml
+++ b/.github/workflows/trivy-scan.yml
@@ -10,7 +10,7 @@ jobs:
     with:
       repo: carvel-dev/kbld
       tool: kbld
-      goVersion: 1.21.6
+      goVersion: 1.21.9
     secrets:
       githubToken: ${{ secrets.GITHUB_TOKEN }}
       slackWebhookURL: ${{ secrets.SLACK_WEBHOOK_URL }}