diff --git a/DIDemo.Services.Tests/DIDemo.Services.Tests.csproj b/DIDemo.Services.Tests/DIDemo.Services.Tests.csproj
index a9c0221..5c7bea5 100644
--- a/DIDemo.Services.Tests/DIDemo.Services.Tests.csproj
+++ b/DIDemo.Services.Tests/DIDemo.Services.Tests.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.7.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="4.1.0" />
     <PackageReference Include="MSTest.TestFramework" Version="4.1.0" />
   </ItemGroup>
   <ItemGroup>
diff --git a/DIDemo.Tests/DIDemo.Tests.csproj b/DIDemo.Tests/DIDemo.Tests.csproj
index c8dc4b7..557b45c 100644
--- a/DIDemo.Tests/DIDemo.Tests.csproj
+++ b/DIDemo.Tests/DIDemo.Tests.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.7.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="4.1.0" />
     <PackageReference Include="MSTest.TestFramework" Version="4.1.0" />
   </ItemGroup>
   <ItemGroup>