diff --git a/.github/workflows/vs15-ci.yml b/.github/workflows/vs15-ci.yml
index 0370f28..03838da 100644
--- a/.github/workflows/vs15-ci.yml
+++ b/.github/workflows/vs15-ci.yml
@@ -1,12 +1,6 @@
 name: VS15-CI
 
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-    branches:
-      - master
+on: [push, pull_request]
 
 jobs:
   ci: