diff --git a/tests/PolylineAlgorithm.Tests/PolylineAlgorithm.Tests.csproj b/tests/PolylineAlgorithm.Tests/PolylineAlgorithm.Tests.csproj
index ff88dcb7..ec8f17c6 100644
--- a/tests/PolylineAlgorithm.Tests/PolylineAlgorithm.Tests.csproj
+++ b/tests/PolylineAlgorithm.Tests/PolylineAlgorithm.Tests.csproj
@@ -22,7 +22,7 @@
 		<PackageReference Include="Microsoft.Testing.Platform.MSBuild" Version="2.1.0" />
 		<PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.5.2" />
 		<PackageReference Include="Microsoft.Testing.Extensions.TrxReport" Version="2.1.0" />
-		<PackageReference Include="Microsoft.Extensions.Diagnostics.Testing" Version="10.4.0" />
+		<PackageReference Include="Microsoft.Extensions.Diagnostics.Testing" Version="10.9.0" />
 		<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.5" />
 	</ItemGroup>