diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index f7b55b4..f95a48a 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -1,5 +1,8 @@
 name: Publish to PyPI
 
+permissions:
+  contents: read
+
 on:
   release:
     types: [created]