diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index ff8ec8ac7..6c414efca 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -1,5 +1,7 @@
 trigger:
-- master 
+- master
+pr:
+  - master 
 pool:
   vmImage: 'ubuntu-latest'