diff --git a/Directory.Build.props b/Directory.Build.props
index 693e132c40..572d97fafa 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -2,6 +2,7 @@
 <Project>
   <PropertyGroup Label="C#">
     <LangVersion>7.3</LangVersion>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
   <PropertyGroup>
     <ApplicationManifest>$(MSBuildThisFileDirectory)app.manifest</ApplicationManifest>