diff --git a/.github/workflows/upload-to-pypi.yml b/.github/workflows/upload-to-pypi.yml
index 89adb035..75e27c96 100644
--- a/.github/workflows/upload-to-pypi.yml
+++ b/.github/workflows/upload-to-pypi.yml
@@ -4,6 +4,10 @@ on:
   release:
     types: [published]
 
+permissions:
+  contents: read
+  packages: write
+
 env:
   POETRY_VERSION: "2.1.1"