diff --git a/tests/CalendarVersioning.Tests/CalendarVersioning.Tests.csproj b/tests/CalendarVersioning.Tests/CalendarVersioning.Tests.csproj
index 973fdc1..d85cf22 100644
--- a/tests/CalendarVersioning.Tests/CalendarVersioning.Tests.csproj
+++ b/tests/CalendarVersioning.Tests/CalendarVersioning.Tests.csproj
@@ -8,7 +8,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
 		<PackageReference Include="xunit" Version="2.9.3" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>