diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d2e25f3..f569b5a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -32,7 +32,7 @@ jobs:
       app_version: ${{ steps.set_version.outputs.app_version }}
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
         with:
           disable-sudo: true
           egress-policy: block
@@ -87,7 +87,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
         with:
           disable-sudo: true
           egress-policy: audit
diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
index d1776b0..e9af4d6 100644
--- a/.github/workflows/zizmor.yml
+++ b/.github/workflows/zizmor.yml
@@ -16,7 +16,7 @@ jobs:
       security-events: write # Required for upload-sarif (used by zizmor-action) to upload SARIF files.
     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: block
           allowed-endpoints: >