diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index 2443a69..3fdbce4 100644
--- a/.github/workflows/claude-code-review.yml
+++ b/.github/workflows/claude-code-review.yml
@@ -34,7 +34,7 @@ jobs:
 
       - name: Run Claude Code Review
         id: claude-review
-        uses: anthropics/claude-code-action@beta
+        uses: anthropics/claude-code-action@28f83620103c48a57093dcc2837eec89e036bb9f  # beta (v0.0.63)
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index f7fed3a..de5529a 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@beta
+        uses: anthropics/claude-code-action@28f83620103c48a57093dcc2837eec89e036bb9f  # beta (v0.0.63)
         with:
           anthropic_api_key: ${{ secrets.GITHUB_ACTIONS_CLAUDE }}