diff --git a/.github/workflows/upload-pypi.yaml b/.github/workflows/upload-pypi.yaml
index d3ae530..e03c79f 100644
--- a/.github/workflows/upload-pypi.yaml
+++ b/.github/workflows/upload-pypi.yaml
@@ -19,6 +19,8 @@ name: Upload-PyPI
 on:
   workflow_dispatch:
   push:
+    branches:
+      - master
     tags:
       - "v*.*.*"