diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3f4054b..d535109 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,7 @@
 on: [push, pull_request]
 name: CI
+permissions:
+  contents: read
 jobs:
   ci:
     strategy: