diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index e4d8a99d..beebc71a 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -74,7 +74,7 @@ jobs:
           path: .claude
 
       - name: Authenticate to GCP
-        uses: google-github-actions/auth@c200f3691d83b41bf9bbd8638997a462592937ed # v2
+        uses: google-github-actions/auth@7c6bc770dae815cd3e89ee6cdf493a5fab2cc093 # v3.0.0
         with:
           credentials_json: ${{ secrets.GCP_SA_KEY }}