diff --git a/.github/workflows/ci-tests-and-coverage.yml b/.github/workflows/ci-tests-and-coverage.yml
index cf6b665..1072349 100644
--- a/.github/workflows/ci-tests-and-coverage.yml
+++ b/.github/workflows/ci-tests-and-coverage.yml
@@ -10,6 +10,9 @@ on:
     branches:
       - main
 
+permissions:
+  contents: read
+
 jobs:
   tests:
     name: Tests and Coverage