diff --git a/samples/dotnet/login-auth-code/tests/login-auth-code.tests.csproj b/samples/dotnet/login-auth-code/tests/login-auth-code.tests.csproj
index 01ee36b..d7f4818 100644
--- a/samples/dotnet/login-auth-code/tests/login-auth-code.tests.csproj
+++ b/samples/dotnet/login-auth-code/tests/login-auth-code.tests.csproj
@@ -8,7 +8,7 @@
     <RootNamespace>LoginAuthCode.Tests</RootNamespace>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.0.1" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.0" />