diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9d542f9..4d20d6a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,6 +7,9 @@ on:
     branches: [main]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   validate:
     name: Validate plugin structure