diff --git a/src/Tests/Pure.Diagram.RichRelationalModel.Tests/Pure.Diagram.RichRelationalModel.Tests.csproj b/src/Tests/Pure.Diagram.RichRelationalModel.Tests/Pure.Diagram.RichRelationalModel.Tests.csproj
index c9b0b93..228522c 100644
--- a/src/Tests/Pure.Diagram.RichRelationalModel.Tests/Pure.Diagram.RichRelationalModel.Tests.csproj
+++ b/src/Tests/Pure.Diagram.RichRelationalModel.Tests/Pure.Diagram.RichRelationalModel.Tests.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="10.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageReference Include="Pure.Primitives" Version="3.6.2" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />