diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ed024c1..6a7b1c9 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,6 +10,7 @@ env:
 
 jobs:
   publish:
+    environment: pypi
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout Rialto