diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 60d3f95f..ca87ae0a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,7 +1,7 @@
 name: Build
 
 on: 
-  push:
+  pull_request:
 
 env:
   CTEST_OUTPUT_ON_FAILURE: true