diff --git a/src/UglyToad.PdfPig.Tests/UglyToad.PdfPig.Tests.csproj b/src/UglyToad.PdfPig.Tests/UglyToad.PdfPig.Tests.csproj
index 4598c846..7a39178b 100644
--- a/src/UglyToad.PdfPig.Tests/UglyToad.PdfPig.Tests.csproj
+++ b/src/UglyToad.PdfPig.Tests/UglyToad.PdfPig.Tests.csproj
@@ -75,7 +75,7 @@
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+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
         <PackageReference Include="SkiaSharp" Version="3.119.1" />
         <PackageReference Include="xunit" Version="2.7.0" />
         <PackageReference Include="xunit.extensibility.execution" Version="2.7.0" />