diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index deb2a695..02856645 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,5 +1,9 @@
 name: Tests, Behat, Coding Standards
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'master'
+  pull_request:
 jobs:
   test:
     runs-on: ubuntu-latest