diff --git a/.github/workflows/check-build.yml b/.github/workflows/check-build.yml
index 3bdbb6d8e..25ca74503 100644
--- a/.github/workflows/check-build.yml
+++ b/.github/workflows/check-build.yml
@@ -1,5 +1,11 @@
 name: check-build
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
 
 jobs:
   check-build:
diff --git a/.github/workflows/check-e2e.yml b/.github/workflows/check-e2e.yml
index 79c5be6f6..d33d5e253 100644
--- a/.github/workflows/check-e2e.yml
+++ b/.github/workflows/check-e2e.yml
@@ -1,5 +1,11 @@
 name: check-e2e
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
 
 jobs:
   check-e2e:
diff --git a/.github/workflows/check-format.yml b/.github/workflows/check-format.yml
index b382c223f..39d1542c9 100644
--- a/.github/workflows/check-format.yml
+++ b/.github/workflows/check-format.yml
@@ -1,5 +1,11 @@
 name: check-format
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
 
 jobs:
   check-format:
diff --git a/.github/workflows/check-unit-test.yml b/.github/workflows/check-unit-test.yml
index 7ed0fe008..1cdbcf5a4 100644
--- a/.github/workflows/check-unit-test.yml
+++ b/.github/workflows/check-unit-test.yml
@@ -1,5 +1,11 @@
 name: check-unit-test
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
 
 jobs:
   check-unit-test:
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index b1957ab3e..ed9378cd2 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -1,5 +1,11 @@
 name: check
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
 
 jobs:
   check: