diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index be2d3ca..48fda45 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -71,6 +71,8 @@ jobs:
           path: target/llvm-cov/html
 
   deploy:
+    permissions:
+      id-token: write
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}