diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index a064bf5b2..b155156e1 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -1,5 +1,8 @@
 name: Checks
-on: [push, pull_request]
+on:
+  push:
+    branches: [ master ]
+  pull_request:
 
 concurrency:
   group: ${{github.workflow}}-${{ github.ref }}
diff --git a/.github/workflows/tests-macos.yml b/.github/workflows/tests-macos.yml
index c28a99982..81f7f97ab 100644
--- a/.github/workflows/tests-macos.yml
+++ b/.github/workflows/tests-macos.yml
@@ -1,5 +1,8 @@
 name: macOS
-on: [push, pull_request]
+on:
+  push:
+    branches: [ master ]
+  pull_request:
 
 concurrency:
   group: ${{github.workflow}}-${{ github.ref }}
diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml
index 6c7842217..7863fc2c4 100644
--- a/.github/workflows/tests-ubuntu.yml
+++ b/.github/workflows/tests-ubuntu.yml
@@ -1,5 +1,8 @@
 name: Ubuntu
-on: [push, pull_request]
+on:
+  push:
+    branches: [ master ]
+  pull_request:
 
 concurrency:
   group: ${{github.workflow}}-${{ github.ref }}
diff --git a/.github/workflows/tests-windows.yml b/.github/workflows/tests-windows.yml
index 45e4ca157..d51e52158 100644
--- a/.github/workflows/tests-windows.yml
+++ b/.github/workflows/tests-windows.yml
@@ -1,5 +1,8 @@
 name: Windows
-on: [push, pull_request]
+on:
+  push:
+    branches: [ master ]
+  pull_request:
 
 concurrency:
   group: ${{github.workflow}}-${{ github.ref }}