diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index ed3382f2..93df5cd5 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -1,4 +1,8 @@
-on: [push]
+on:
+  push:
+    branches: [ "master"]
+  pull_request:
+    branches: [ "master"]
 permissions:
   contents: read
 jobs: