diff --git a/ci/python-publish.yml b/ci/python-publish.yml
index ec73a48..51b96ca 100644
--- a/ci/python-publish.yml
+++ b/ci/python-publish.yml
@@ -12,6 +12,9 @@ on:
   release:
     types: [published]
 
+permissions:
+  contents: read
+
 jobs:
   release-build:
     runs-on: ubuntu-latest