diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 462e22648..2bc8a8937 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -2,7 +2,13 @@
 name: 'lint'
 
 # yamllint disable-line rule:truthy
-on: [push, pull_request]
+on:
+  pull_request:
+    branches:
+      - '*'
+  push:
+    branches:
+      - 'master'
 
 jobs:
   hadolint: