diff --git a/DIDemo.Services.Tests/DIDemo.Services.Tests.csproj b/DIDemo.Services.Tests/DIDemo.Services.Tests.csproj
index 4d0633d..c52f0ca 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="17.12.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.7.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.7.0" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.1.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\DIDemoServices\DIDemoServices.csproj" />
diff --git a/DIDemo.Tests/DIDemo.Tests.csproj b/DIDemo.Tests/DIDemo.Tests.csproj
index ec76df0..568cf52 100644
--- a/DIDemo.Tests/DIDemo.Tests.csproj
+++ b/DIDemo.Tests/DIDemo.Tests.csproj
@@ -6,7 +6,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.7.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.7.0" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.1.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\DIDemo\DIDemo.csproj" />