diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index dfc7b312d..10f85b7f9 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -11,6 +11,9 @@ concurrency:
   group: check-${{ github.ref }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
   test:
     name: test ${{ matrix.py }} - ${{ matrix.os }}