diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index faf9bf56d..a3a787a65 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,6 +4,8 @@ on:
   - push
   - pull_request
 
+permissions: {}
+
 jobs:
   test:
     runs-on: ${{ matrix.os }}