diff --git a/tests/MyNihongo.Option.Tests.csproj b/tests/MyNihongo.Option.Tests.csproj
index c78aa75..223dec0 100644
--- a/tests/MyNihongo.Option.Tests.csproj
+++ b/tests/MyNihongo.Option.Tests.csproj
@@ -8,7 +8,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-		<PackageReference Include="coverlet.collector" Version="6.0.0">
+		<PackageReference Include="coverlet.collector" Version="10.0.0">
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 			<PrivateAssets>all</PrivateAssets>
 		</PackageReference>