diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index 3015ccc..49d6c9b 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -15,6 +15,8 @@ on:
 jobs:
   build-n-publish:
     runs-on: ubuntu-latest
+    permissions:
+      id-token: write # for trusted publishing
 
     steps:
       - uses: actions/checkout@v2