diff --git a/src/R4Mvc.Tools/R4Mvc.Tools.csproj b/src/R4Mvc.Tools/R4Mvc.Tools.csproj
index 5fa2603..16cbf77 100644
--- a/src/R4Mvc.Tools/R4Mvc.Tools.csproj
+++ b/src/R4Mvc.Tools/R4Mvc.Tools.csproj
@@ -39,8 +39,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="1.1.3" />
-    <PackageReference Include="Microsoft.Build" Version="15.1.1012" />
-    <PackageReference Include="Microsoft.Build.Tasks.Core" Version="15.1.1012" />
+    <PackageReference Include="Microsoft.Build" Version="15.3.409" />
+    <PackageReference Include="Microsoft.Build.Tasks.Core" Version="15.3.409" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.CommandLine" Version="1.1.2" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="1.1.2" />