diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 258046d..eeab8a2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,8 +1,12 @@
 name: Build
 
 on:
-  - push
-  - pull_request
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
 
 jobs:
   build:
diff --git a/.github/workflows/website.yml b/.github/workflows/website.yml
index 7211eab..4b9b8af 100644
--- a/.github/workflows/website.yml
+++ b/.github/workflows/website.yml
@@ -1,8 +1,12 @@
 name: Build website
 
 on:
-  - push
-  - pull_request
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
 
 jobs:
   deploy: