diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 010e08ad..9c9c4df7 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -4,6 +4,9 @@ on:
   push:
   pull_request:
 
+permissions:
+  contents: read
+
 jobs:
   tests:
     if: github.event_name != 'schedule' || github.repository == 'pestphp/pest'