diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 630c3531..ded5f0d0 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -4,6 +4,9 @@ on:
   release:
     types: [published]
 
+permissions:
+  contents: read
+
 jobs:
   # Build wheels on Linux using manylinux containers
   build-linux: