diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 029c6a6..cf38054 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,6 +7,9 @@ on:
   pull_request:
     branches: [ main ]
 
+permissions:
+  contents: read
+
 jobs:
   test-quality:
     name: Code Quality Checks