diff --git a/src/Wangkanai.Detection.csproj b/src/Wangkanai.Detection.csproj
index e8a284500..4013b1d39 100644
--- a/src/Wangkanai.Detection.csproj
+++ b/src/Wangkanai.Detection.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <VersionPrefix>4.1.0</VersionPrefix>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
diff --git a/test/Wangkanai.Detection.Test.csproj b/test/Wangkanai.Detection.Test.csproj
index 5243adcd6..fd03fd0a0 100644
--- a/test/Wangkanai.Detection.Test.csproj
+++ b/test/Wangkanai.Detection.Test.csproj
@@ -1,13 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="3.1.19" />
+    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="6.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.10.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />