diff --git a/EchoTcpServerTests/EchoTcpServerTests.csproj b/EchoTcpServerTests/EchoTcpServerTests.csproj
index 3cda269..07c96cc 100644
--- a/EchoTcpServerTests/EchoTcpServerTests.csproj
+++ b/EchoTcpServerTests/EchoTcpServerTests.csproj
@@ -20,7 +20,7 @@
         </PackageReference>
     
         <PackageReference Include="coverlet.collector" Version="10.0.0" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
         <PackageReference Include="Moq" Version="4.20.72" />
         <PackageReference Include="NetArchTest.Rules" Version="1.3.2" />
         <PackageReference Include="NUnit" Version="3.14.0" />