diff --git a/SerialBox.Tests/SerialBox.Tests.csproj b/SerialBox.Tests/SerialBox.Tests.csproj
index 46867e8..6f509b5 100644
--- a/SerialBox.Tests/SerialBox.Tests.csproj
+++ b/SerialBox.Tests/SerialBox.Tests.csproj
@@ -26,7 +26,7 @@
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+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <PrivateAssets>all</PrivateAssets>
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