diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index fca9d4c..eabae82 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -3,6 +3,8 @@ name: Testing
 on:
   pull_request:
     branches: [ "master" ]
+permissions:
+  contents: read
 jobs:
   test:
     runs-on: ubuntu-latest