diff --git a/test/AStar.Dev.Functional.Extensions.Tests.Unit/AStar.Dev.Functional.Extensions.Tests.Unit.csproj b/test/AStar.Dev.Functional.Extensions.Tests.Unit/AStar.Dev.Functional.Extensions.Tests.Unit.csproj
index caebe95..c62f4ff 100644
--- a/test/AStar.Dev.Functional.Extensions.Tests.Unit/AStar.Dev.Functional.Extensions.Tests.Unit.csproj
+++ b/test/AStar.Dev.Functional.Extensions.Tests.Unit/AStar.Dev.Functional.Extensions.Tests.Unit.csproj
@@ -14,7 +14,7 @@
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+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
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