diff --git a/.github/workflows/macos-build.yml b/.github/workflows/macos-build.yml
index 2b4fb991c07..47ab2ae815d 100644
--- a/.github/workflows/macos-build.yml
+++ b/.github/workflows/macos-build.yml
@@ -1,5 +1,24 @@
 name: Mac OS build
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+      - release-**
+    paths:
+    - 'src/**'
+    - 'tests/**'
+    - 'mac/**'
+    - 'CMakeLists.txt'
+  pull_request:
+    branches:
+      - master
+      - release-**
+    paths:
+    - 'src/**'
+    - 'tests/**'
+    - 'mac/**'
+    - 'CMakeLists.txt'
+
 env:
   QT_VERSION: 5.14.1
   QGIS_DEPS_VERSION: 0.2.2