diff --git a/.github/workflows/build-tarball.yml b/.github/workflows/build-tarball.yml
index f17fabd84056bc..4d673b7588e840 100644
--- a/.github/workflows/build-tarball.yml
+++ b/.github/workflows/build-tarball.yml
@@ -1,6 +1,10 @@
 name: Build from tarball
 
-on: [push, pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
 
 env:
   FLAKY_TESTS: dontcare
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 8a9dbf90415688..76ab1ec8ced2cf 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -1,6 +1,10 @@
 name: build-windows
 
-on: [push, pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
 
 env:
   PYTHON_VERSION: 3.8
diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index 4453db5c751c7f..afab3284879499 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -1,6 +1,10 @@
 name: linters
 
-on: [push, pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
 
 env:
   PYTHON_VERSION: 3.8
diff --git a/.github/workflows/misc.yml b/.github/workflows/misc.yml
index b23120ae0f1d74..4b4b305e7b25c9 100644
--- a/.github/workflows/misc.yml
+++ b/.github/workflows/misc.yml
@@ -1,6 +1,10 @@
 name: misc
 
-on: [push, pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
 
 env:
   NODE_VERSION: 12.x
diff --git a/.github/workflows/test-linux.yml b/.github/workflows/test-linux.yml
index cfe0ca4ab70334..163f5a1fb7aa90 100644
--- a/.github/workflows/test-linux.yml
+++ b/.github/workflows/test-linux.yml
@@ -1,6 +1,10 @@
 name: test-linux
 
-on: [push, pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
 
 env:
   PYTHON_VERSION: 3.8
diff --git a/.github/workflows/test-macos.yml b/.github/workflows/test-macos.yml
index c78ab45e4b2398..97074c5238659c 100644
--- a/.github/workflows/test-macos.yml
+++ b/.github/workflows/test-macos.yml
@@ -1,6 +1,10 @@
 name: test-macOS
 
-on: [push, pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
 
 env:
   PYTHON_VERSION: 3.8