diff --git a/tests/MyNihongo.KanaConverter.Tests.csproj b/tests/MyNihongo.KanaConverter.Tests.csproj
index 0edf9a7..06eaf57 100644
--- a/tests/MyNihongo.KanaConverter.Tests.csproj
+++ b/tests/MyNihongo.KanaConverter.Tests.csproj
@@ -15,7 +15,7 @@
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 			<PrivateAssets>all</PrivateAssets>
 		</PackageReference>
-		<PackageReference Include="coverlet.collector" Version="6.0.4">
+		<PackageReference Include="coverlet.collector" Version="10.0.0">
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 			<PrivateAssets>all</PrivateAssets>
 		</PackageReference>