diff --git a/.github/workflows/verify-course.yml b/.github/workflows/verify-course.yml
index 676f7f7..4f152e2 100644
--- a/.github/workflows/verify-course.yml
+++ b/.github/workflows/verify-course.yml
@@ -5,6 +5,9 @@ on:
     branches: [main]
   pull_request:
 
+permissions:
+  contents: read
+
 jobs:
   pytest:
     runs-on: ubuntu-latest