diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6969afd..18e95f9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,5 +1,7 @@
 name: Tests
 run-name: ${{ github.actor }} execute Tests
+permissions:
+  contents: read
 on:
   pull_request:
     types: [opened, synchronize, reopened]