diff --git a/.github/workflows/linux-clang.yaml b/.github/workflows/linux-clang.yaml
index d86d0d3..fffe994 100644
--- a/.github/workflows/linux-clang.yaml
+++ b/.github/workflows/linux-clang.yaml
@@ -1,8 +1,12 @@
 name: Linux Clang
 
 on:
-  - pull_request
-  - push
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
 
 jobs:
   build:
diff --git a/.github/workflows/linux-emscripten.yaml b/.github/workflows/linux-emscripten.yaml
index e82f4c5..a55eddc 100644
--- a/.github/workflows/linux-emscripten.yaml
+++ b/.github/workflows/linux-emscripten.yaml
@@ -1,8 +1,12 @@
 name: Linux Emscripten
 
 on:
-  - pull_request
-  - push
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
 
 jobs:
   build:
diff --git a/.github/workflows/linux-gcc.yaml b/.github/workflows/linux-gcc.yaml
index c83b9ef..f978b0b 100644
--- a/.github/workflows/linux-gcc.yaml
+++ b/.github/workflows/linux-gcc.yaml
@@ -1,8 +1,12 @@
 name: Linux GCC
 
 on:
-  - pull_request
-  - push
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
 
 jobs:
   build:
diff --git a/.github/workflows/mac-clang.yaml b/.github/workflows/mac-clang.yaml
index 33d6b72..bca5633 100644
--- a/.github/workflows/mac-clang.yaml
+++ b/.github/workflows/mac-clang.yaml
@@ -1,8 +1,12 @@
 name: MacOS Clang
 
 on:
-  - pull_request
-  - push
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
 
 jobs:
   build:
diff --git a/.github/workflows/windows-msvc.yaml b/.github/workflows/windows-msvc.yaml
index f877383..d2b08de 100644
--- a/.github/workflows/windows-msvc.yaml
+++ b/.github/workflows/windows-msvc.yaml
@@ -1,8 +1,12 @@
 name: Windows MSVC
 
 on:
-  - pull_request
-  - push
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
 
 jobs:
   build: