diff --git a/.github/workflows/actionlint.yaml b/.github/workflows/actionlint.yaml
index a3a7b13b..dc1ec4af 100644
--- a/.github/workflows/actionlint.yaml
+++ b/.github/workflows/actionlint.yaml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
         with:
           egress-policy: block
           allowed-endpoints: >
diff --git a/.github/workflows/digestabot.yaml b/.github/workflows/digestabot.yaml
index b580544b..c50fe84f 100644
--- a/.github/workflows/digestabot.yaml
+++ b/.github/workflows/digestabot.yaml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
         with:
           egress-policy: block
           allowed-endpoints: >
diff --git a/.github/workflows/zizmor.yaml b/.github/workflows/zizmor.yaml
index f93a2cf6..fc3c1e4e 100644
--- a/.github/workflows/zizmor.yaml
+++ b/.github/workflows/zizmor.yaml
@@ -20,7 +20,7 @@ jobs:
       contents: read # Clone the repository
       security-events: write # Upload SARIF results to Code Scanning
     steps:
-      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
+      - uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
         with:
           egress-policy: block
           allowed-endpoints: >