diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4aec397..572fe19 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,4 +1,6 @@
 name: CI
+permissions:
+  contents: read
 
 on:
   workflow_dispatch: