diff --git a/.github/actions/claude-code-review/action.yml b/.github/actions/claude-code-review/action.yml
index 956a128..9ecdc44 100644
--- a/.github/actions/claude-code-review/action.yml
+++ b/.github/actions/claude-code-review/action.yml
@@ -16,7 +16,7 @@ runs:
   using: composite
   steps:
     - name: Harden-Runner
-      uses: step-security/harden-runner@f808768d1510423e83855289c910610ca9b43176 # v2.17.0
+      uses: step-security/harden-runner@6c3c2f2c1c457b00c10c4848d6f5491db3b629df # v2.18.0
       with:
         egress-policy: audit
 
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index 283a561..ca8cc93 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -41,7 +41,7 @@ jobs:
       actions: read # Required for Claude to read CI results on PRs
     steps:
       - name: Harden-Runner
-        uses: step-security/harden-runner@f808768d1510423e83855289c910610ca9b43176 # v2.17.0
+        uses: step-security/harden-runner@6c3c2f2c1c457b00c10c4848d6f5491db3b629df # v2.18.0
         with:
           egress-policy: audit