diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7895198..37683d8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,6 +2,9 @@ name: ci
 
 on: [push]
 
+permissions:
+  contents: read
+
 jobs:
   package-build: