diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 2ea313a..d8d1fc2 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -1,8 +1,6 @@
 name: Publish release packages
 on:
   push:
-    branches:
-      - main
     tags:
       - v*
 
@@ -32,6 +30,7 @@ jobs:
   publish-to-testpypi:
     name: Test publishing to testpypi
     runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/')
     needs:
       - build
     environment: