diff --git a/Chickensoft.Serialization.Tests/Chickensoft.Serialization.Tests.csproj b/Chickensoft.Serialization.Tests/Chickensoft.Serialization.Tests.csproj
index d65e39d..4034b8d 100644
--- a/Chickensoft.Serialization.Tests/Chickensoft.Serialization.Tests.csproj
+++ b/Chickensoft.Serialization.Tests/Chickensoft.Serialization.Tests.csproj
@@ -21,7 +21,7 @@
 
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+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">