diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 9f99e62..da268bb 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -7,6 +7,9 @@ on:
 env:
   SOURCE_DATE_EPOCH: "1763060600"
 
+permissions:
+  contents: read
+
 jobs:
   test:
     runs-on: ${{ matrix.os }}