diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 0a82c66..38ba591 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -4,6 +4,9 @@ on:
   release:
     types: [published]
 
+permissions:
+  contents: read
+
 jobs:
   deploy:
     runs-on: ubuntu-latest