diff --git a/.github/workflows/claude-workflow-federation-setup.yml b/.github/workflows/claude-workflow-federation-setup.yml
index 129bb39..6af3788 100644
--- a/.github/workflows/claude-workflow-federation-setup.yml
+++ b/.github/workflows/claude-workflow-federation-setup.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Fetch GitHub OIDC token
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           script: |
             const token = await core.getIDToken('https://api.anthropic.com');