diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 975d4b3..4e0c012 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [main]
 
+permissions:
+  contents: read
+  
 jobs:
   lint:
     name: Lint (ruff)