diff --git a/DIDemo.Services.Tests/DIDemo.Services.Tests.csproj b/DIDemo.Services.Tests/DIDemo.Services.Tests.csproj
index 2a82808..cb02281 100644
--- a/DIDemo.Services.Tests/DIDemo.Services.Tests.csproj
+++ b/DIDemo.Services.Tests/DIDemo.Services.Tests.csproj
@@ -6,7 +6,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.10.1" />
     <PackageReference Include="MSTest.TestAdapter" Version="4.3.2" />
-    <PackageReference Include="MSTest.TestFramework" Version="4.3.2" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.5.1" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\DIDemoServices\DIDemoServices.csproj" />