diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index b451b95e..298c870f 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -1,6 +1,6 @@
 name: OnilineBookStore CI
 
-on: [push]
+on: [pull]
 
 jobs:
   build-project: