diff --git a/.github/workflows/actionlint.yaml b/.github/workflows/actionlint.yaml
index 1fee176..43ab261 100644
--- a/.github/workflows/actionlint.yaml
+++ b/.github/workflows/actionlint.yaml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
         with:
           egress-policy: audit
 
diff --git a/.github/workflows/ghaudit.yaml b/.github/workflows/ghaudit.yaml
index dae6223..182db13 100644
--- a/.github/workflows/ghaudit.yaml
+++ b/.github/workflows/ghaudit.yaml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
     - name: Harden the runner (Audit all outbound calls)
-      uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
+      uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
       with:
         egress-policy: audit
 
diff --git a/.github/workflows/zizmor.yaml b/.github/workflows/zizmor.yaml
index 298b89a..b3a7a5b 100644
--- a/.github/workflows/zizmor.yaml
+++ b/.github/workflows/zizmor.yaml
@@ -26,7 +26,7 @@ jobs:
       contents: read # Clone the repository
       security-events: write # Upload SARIF results to Code Scanning
     steps:
-      - uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
+      - uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
         with:
           egress-policy: block
           allowed-endpoints: >