diff --git a/.github/workflows/create-release-and-publish.yml b/.github/workflows/create-release-and-publish.yml
index b63724d3..d390b289 100644
--- a/.github/workflows/create-release-and-publish.yml
+++ b/.github/workflows/create-release-and-publish.yml
@@ -3,7 +3,9 @@ name: Create Release and publish to pypi.org on Version Change
 on:
   push:
     paths:
-    - 'src/iris/__init__.py'
+      - 'src/iris/__init__.py'
+    branches:
+      - master
 
 jobs:
   build: