diff --git a/tests/MyNihongo.KanaDetector.Tests.csproj b/tests/MyNihongo.KanaDetector.Tests.csproj
index 2c56d95..50a5911 100644
--- a/tests/MyNihongo.KanaDetector.Tests.csproj
+++ b/tests/MyNihongo.KanaDetector.Tests.csproj
@@ -14,7 +14,7 @@
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="coverlet.collector" Version="6.0.4">
+		<PackageReference Include="coverlet.collector" Version="10.0.0">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>