diff --git a/actions/harden-runner/action.yml b/actions/harden-runner/action.yml
index 0bbf558..33fbfc8 100644
--- a/actions/harden-runner/action.yml
+++ b/actions/harden-runner/action.yml
@@ -54,7 +54,7 @@ runs:
   steps:
     - name: Harden runner
       # renovate: datasource=github-releases depName=step-security/harden-runner
-      uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
+      uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
       with:
         allowed-endpoints: ${{ inputs.allowed-endpoints }}
         egress-policy: ${{ inputs.egress-policy }}