diff --git a/CmlLib/CmlLib.csproj b/CmlLib/CmlLib.csproj
index 2dd041f..559dbc1 100644
--- a/CmlLib/CmlLib.csproj
+++ b/CmlLib/CmlLib.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>netcoreapp3.1;net462;net5.0</TargetFrameworks>
+        <TargetFrameworks>netstandard2.0</TargetFrameworks>
         <LangVersion>8.0</LangVersion>
         <Nullable>enable</Nullable>
         <Version>3.3.2</Version>
@@ -25,7 +25,7 @@ Support all version, forge, optifine
         <PackageReference Include="ConfigureAwait.Fody" Version="3.3.1">
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
-        <PackageReference Include="Fody" Version="6.5.1">
+        <PackageReference Include="Fody" Version="6.5.3">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
@@ -33,8 +33,8 @@ Support all version, forge, optifine
         <PackageReference Include="MethodTimer.Fody" Version="3.2.0">
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
-        <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
-        <PackageReference Include="SharpZipLib" Version="1.2.0" />
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
+        <PackageReference Include="SharpZipLib" Version="1.3.3" />
         <None Include="../icon.png" Pack="true" Visible="false" PackagePath="" />
     </ItemGroup>
 
diff --git a/CmlLibCoreSample/CmlLibCoreSample.csproj b/CmlLibCoreSample/CmlLibCoreSample.csproj
index fe782b4..e77fc62 100644
--- a/CmlLibCoreSample/CmlLibCoreSample.csproj
+++ b/CmlLibCoreSample/CmlLibCoreSample.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/CmlLibWinFormSample/App.config b/CmlLibWinFormSample/App.config
index 8d23437..ecdcf8a 100644
--- a/CmlLibWinFormSample/App.config
+++ b/CmlLibWinFormSample/App.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2"/>
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2"/>
     </startup>
 </configuration>
diff --git a/CmlLibWinFormSample/CmlLibWinFormSample.csproj b/CmlLibWinFormSample/CmlLibWinFormSample.csproj
index 6886ec4..3464e0d 100644
--- a/CmlLibWinFormSample/CmlLibWinFormSample.csproj
+++ b/CmlLibWinFormSample/CmlLibWinFormSample.csproj
@@ -8,10 +8,11 @@
     <OutputType>WinExe</OutputType>
     <RootNamespace>CmlLibWinFormSample</RootNamespace>
     <AssemblyName>CmlLibWinFormSample</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <Deterministic>true</Deterministic>
     <TargetFrameworkProfile />
+    <RestoreProjectStyle>PackageReference</RestoreProjectStyle>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -32,6 +33,9 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
+  <PropertyGroup>
+    <StartupObject />
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Core" />