diff --git a/build/common.props b/build/common.props
index d3fbb81977..a86701cb07 100644
--- a/build/common.props
+++ b/build/common.props
@@ -7,6 +7,7 @@
     <RepositoryUrl>https://github.com/aspnet/servertests</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
     <VersionSuffix Condition="'$(VersionSuffix)'!='' AND '$(BuildNumber)' != ''">$(VersionSuffix)-$(BuildNumber)</VersionSuffix>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 
   <ItemGroup>