diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b757c07d..4ff005f2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,5 +1,12 @@
 name: Build
-on: [push]
+on:
+  push:
+    branches:
+      - main
+      - staging
+  pull_request:
+    branches:
+      - main
 jobs:
   build:
     timeout-minutes: 5
diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index 1c2edb1f..b81d773c 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -1,5 +1,12 @@
 name: E2E test
-on: [push]
+on:
+  push:
+    branches:
+      - main
+      - staging
+  pull_request:
+    branches:
+      - main
 jobs:
   test:
     timeout-minutes: 10
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 5f718207..6ad1735c 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -1,5 +1,8 @@
 name: Lint
-on: [push]
+on:
+  pull_request:
+    branches:
+      - main
 jobs:
   lint:
     runs-on: ubuntu-latest