diff --git a/.github/workflows/claude-review.yml b/.github/workflows/claude-review.yml
index 00afeffaf..cb8d1f679 100644
--- a/.github/workflows/claude-review.yml
+++ b/.github/workflows/claude-review.yml
@@ -64,7 +64,7 @@ jobs:
           fetch-depth: 0
           submodules: recursive
 
-      - uses: anthropics/claude-code-action@v1
+      - uses: anthropics/claude-code-action@9ca9355b36297178e28d37c799d1c9c8a28e6507
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           prompt: |