diff --git a/.github/workflows/claude-code.yml b/.github/workflows/claude-code.yml
index 8f65ed9..745f186 100644
--- a/.github/workflows/claude-code.yml
+++ b/.github/workflows/claude-code.yml
@@ -6,6 +6,10 @@ on:
   pull_request:
     types: [opened, synchronize]
 
+permissions:
+  contents: read
+  id-token: write
+  
 jobs:
   claude:
     runs-on: ubuntu-latest