diff --git a/tests/MyNihongo.KanaDetector.Tests.csproj b/tests/MyNihongo.KanaDetector.Tests.csproj
index a48709e..a1ddf8f 100644
--- a/tests/MyNihongo.KanaDetector.Tests.csproj
+++ b/tests/MyNihongo.KanaDetector.Tests.csproj
@@ -8,7 +8,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="FluentAssertions" Version="6.12.0" />
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
 		<PackageReference Include="xunit" Version="2.8.0" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.8.0">
 			<PrivateAssets>all</PrivateAssets>