diff --git a/Directory.Build.props b/Directory.Build.props
index e37193576..a1b539c9a 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -2,6 +2,7 @@
 <Project>
   <PropertyGroup>
     <TargetFramework>net9.0</TargetFramework>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <WarningsNotAsErrors>NU1901;NU1902;NU1903;NU1904</WarningsNotAsErrors>
     <!-- <ArtifactsPath>$(MSBuildThisFileDirectory)artifacts</ArtifactsPath> -->
     <ImplicitUsings>enable</ImplicitUsings>