diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9fdde25..583306b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,6 +6,8 @@ on:
       - main
       - v2
   pull_request:
+permissions:
+  contents: read
 jobs:
   ecs:
     name: ECS