diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 91fe6dae9..614be1286 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -1,10 +1,12 @@
 trigger:
 - master
 - rel/*
+- preview/*
 
 pr:
 - master
 - rel/*
+- preview/*
 
 pool:
   vmImage: vs2017-win2016