diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index 8164f7d28..86c619364 100644
--- a/.github/workflows/claude-code-review.yml
+++ b/.github/workflows/claude-code-review.yml
@@ -33,7 +33,7 @@ jobs:
 
       - name: Run Claude Code Review
         id: claude-review
-        uses: anthropics/claude-code-action@v1
+        uses: anthropics/claude-code-action@c9ec2b02b40ac0444c6716e51d5e19ef2e0b8d00
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           prompt: |
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index 636578e8c..021464b6e 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -32,7 +32,7 @@ jobs:
 
       - name: Run Claude Code
         id: claude
-        uses: anthropics/claude-code-action@v1
+        uses: anthropics/claude-code-action@c9ec2b02b40ac0444c6716e51d5e19ef2e0b8d00
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}