diff --git a/.github/workflows/python-ci.yml b/.github/workflows/python-ci.yml
index f1a827070..1ebcfc467 100644
--- a/.github/workflows/python-ci.yml
+++ b/.github/workflows/python-ci.yml
@@ -1,5 +1,7 @@
 name: Python CI
 on: [push, pull_request]
+permissions:
+  contents: read
 jobs:
   test:
     strategy: