diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 9cb6ea8..fa6452b 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -1,5 +1,8 @@
 name: Run Pytest on Pull Request
 
+permissions:
+  contents: read
+
 on:
   pull_request:
   push: