diff --git a/.github/workflows/publish_pypi.yml b/.github/workflows/publish_pypi.yml
index 0c0ca83..282301f 100644
--- a/.github/workflows/publish_pypi.yml
+++ b/.github/workflows/publish_pypi.yml
@@ -2,7 +2,9 @@ name: Publish to Guardrails Hub
 
 on:
   workflow_dispatch:
-  pull_request:
+  push:
+    branches:
+      - main
 
 jobs:
   setup: