diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 46994ba..4a0f945 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -6,6 +6,11 @@
 trigger:
 - master
 
+pr:
+  branches:
+    include:
+      - master
+
 pool:
   name: 'Default'