diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index ac7449f1..e190f407 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -24,6 +24,7 @@ jobs:
       issues: write        # Required to post comments on issues
       id-token: write
       actions: read        # Required for Claude to read CI results on PRs
+      workflows: write     # Required to modify workflow files
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4