diff --git a/ModelBuilder.UnitTests/ModelBuilder.UnitTests.csproj b/ModelBuilder.UnitTests/ModelBuilder.UnitTests.csproj
index 25881cb..090d3e8 100644
--- a/ModelBuilder.UnitTests/ModelBuilder.UnitTests.csproj
+++ b/ModelBuilder.UnitTests/ModelBuilder.UnitTests.csproj
@@ -18,7 +18,7 @@
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+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
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     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
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