diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 70e31b0..b27a4c2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [main, master]
 
+permissions:
+  contents: read
+
 jobs:
   lint:
     name: Lint & Format Check