diff --git a/EchoServerTests/EchoServerTests.csproj b/EchoServerTests/EchoServerTests.csproj
index 19b7fc6..14285d6 100644
--- a/EchoServerTests/EchoServerTests.csproj
+++ b/EchoServerTests/EchoServerTests.csproj
@@ -19,7 +19,7 @@
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="NUnit" Version="4.4.0" />
     <PackageReference Include="NUnit.Analyzers" Version="3.9.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="5.2.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="6.0.0" />
   </ItemGroup>
 
   <ItemGroup>