diff --git a/NDB.Testing.App/NDB.Testing.App.csproj b/NDB.Testing.App/NDB.Testing.App.csproj
index 276339c..f655481 100644
--- a/NDB.Testing.App/NDB.Testing.App.csproj
+++ b/NDB.Testing.App/NDB.Testing.App.csproj
@@ -1,10 +1,14 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.1.3" />
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\NDB.Infrastructure.PublicIP\NDB.Infrastructure.PublicIP.csproj" />
   </ItemGroup>