diff --git a/KartaViewSharp.Tests/KartaViewSharp.Tests.csproj b/KartaViewSharp.Tests/KartaViewSharp.Tests.csproj
index 380f5ca..f4eb1b6 100644
--- a/KartaViewSharp.Tests/KartaViewSharp.Tests.csproj
+++ b/KartaViewSharp.Tests/KartaViewSharp.Tests.csproj
@@ -7,7 +7,7 @@
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+    <PackageReference Include="altcover" Version="9.0.102" />
     <PackageReference Include="JetBrains.Annotations" Version="2024.3.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="xunit" Version="2.9.3" />