diff --git a/src/Luban.Bson/Luban.Bson.csproj b/src/Luban.Bson/Luban.Bson.csproj
index 133ec7f4..2ca78644 100644
--- a/src/Luban.Bson/Luban.Bson.csproj
+++ b/src/Luban.Bson/Luban.Bson.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>disable</Nullable>
     </PropertyGroup>
diff --git a/src/Luban.CSharp/Luban.CSharp.csproj b/src/Luban.CSharp/Luban.CSharp.csproj
index a7015496..f200a982 100644
--- a/src/Luban.CSharp/Luban.CSharp.csproj
+++ b/src/Luban.CSharp/Luban.CSharp.csproj
@@ -25,7 +25,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
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diff --git a/src/Luban.Core/Luban.Core.csproj b/src/Luban.Core/Luban.Core.csproj
index 9c291e33..5305aff1 100644
--- a/src/Luban.Core/Luban.Core.csproj
+++ b/src/Luban.Core/Luban.Core.csproj
@@ -25,7 +25,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
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diff --git a/src/Luban.Cpp/Luban.Cpp.csproj b/src/Luban.Cpp/Luban.Cpp.csproj
index 54aba30b..8f4984b2 100644
--- a/src/Luban.Cpp/Luban.Cpp.csproj
+++ b/src/Luban.Cpp/Luban.Cpp.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
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diff --git a/src/Luban.DataLoader.Builtin/Luban.DataLoader.Builtin.csproj b/src/Luban.DataLoader.Builtin/Luban.DataLoader.Builtin.csproj
index 2c6e792e..e371b1f4 100644
--- a/src/Luban.DataLoader.Builtin/Luban.DataLoader.Builtin.csproj
+++ b/src/Luban.DataLoader.Builtin/Luban.DataLoader.Builtin.csproj
@@ -25,7 +25,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
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+        <TargetFramework>net8.0</TargetFramework>
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diff --git a/src/Luban.DataTarget.Builtin/Luban.DataTarget.Builtin.csproj b/src/Luban.DataTarget.Builtin/Luban.DataTarget.Builtin.csproj
index f92ab668..82c965d9 100644
--- a/src/Luban.DataTarget.Builtin/Luban.DataTarget.Builtin.csproj
+++ b/src/Luban.DataTarget.Builtin/Luban.DataTarget.Builtin.csproj
@@ -25,7 +25,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
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         <RootNamespace>Luban.DataExporter.Builtin</RootNamespace>
diff --git a/src/Luban.DataValidator.Builtin/Luban.DataValidator.Builtin.csproj b/src/Luban.DataValidator.Builtin/Luban.DataValidator.Builtin.csproj
index ba0b1752..12c0b887 100644
--- a/src/Luban.DataValidator.Builtin/Luban.DataValidator.Builtin.csproj
+++ b/src/Luban.DataValidator.Builtin/Luban.DataValidator.Builtin.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
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diff --git a/src/Luban.FlatBuffers/Luban.FlatBuffers.csproj b/src/Luban.FlatBuffers/Luban.FlatBuffers.csproj
index d715bc76..557d9207 100644
--- a/src/Luban.FlatBuffers/Luban.FlatBuffers.csproj
+++ b/src/Luban.FlatBuffers/Luban.FlatBuffers.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
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diff --git a/src/Luban.Gdscript/Luban.Gdscript.csproj b/src/Luban.Gdscript/Luban.Gdscript.csproj
index 93b5efc7..da716534 100644
--- a/src/Luban.Gdscript/Luban.Gdscript.csproj
+++ b/src/Luban.Gdscript/Luban.Gdscript.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
     </PropertyGroup>
diff --git a/src/Luban.Golang/Luban.Golang.csproj b/src/Luban.Golang/Luban.Golang.csproj
index f8cc34d5..b4ffe239 100644
--- a/src/Luban.Golang/Luban.Golang.csproj
+++ b/src/Luban.Golang/Luban.Golang.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
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         <Nullable>enable</Nullable>
     </PropertyGroup>
diff --git a/src/Luban.Java/Luban.Java.csproj b/src/Luban.Java/Luban.Java.csproj
index 3786b9e0..8593cb83 100644
--- a/src/Luban.Java/Luban.Java.csproj
+++ b/src/Luban.Java/Luban.Java.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>disable</Nullable>
     </PropertyGroup>
diff --git a/src/Luban.L10N/Luban.L10N.csproj b/src/Luban.L10N/Luban.L10N.csproj
index b93c00ba..f5bc0507 100644
--- a/src/Luban.L10N/Luban.L10N.csproj
+++ b/src/Luban.L10N/Luban.L10N.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>disable</Nullable>
     </PropertyGroup>
diff --git a/src/Luban.Lua/Luban.Lua.csproj b/src/Luban.Lua/Luban.Lua.csproj
index 9d8240af..6a195a64 100644
--- a/src/Luban.Lua/Luban.Lua.csproj
+++ b/src/Luban.Lua/Luban.Lua.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
     </PropertyGroup>
diff --git a/src/Luban.MsgPack/Luban.MsgPack.csproj b/src/Luban.MsgPack/Luban.MsgPack.csproj
index 503777e0..43e03ce0 100644
--- a/src/Luban.MsgPack/Luban.MsgPack.csproj
+++ b/src/Luban.MsgPack/Luban.MsgPack.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>disable</Nullable>
     </PropertyGroup>
diff --git a/src/Luban.PHP/Luban.PHP.csproj b/src/Luban.PHP/Luban.PHP.csproj
index 7ddc1039..5671bdc3 100644
--- a/src/Luban.PHP/Luban.PHP.csproj
+++ b/src/Luban.PHP/Luban.PHP.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>disable</Nullable>
     </PropertyGroup>
diff --git a/src/Luban.Protobuf/Luban.Protobuf.csproj b/src/Luban.Protobuf/Luban.Protobuf.csproj
index aaab2a9d..49c43b14 100644
--- a/src/Luban.Protobuf/Luban.Protobuf.csproj
+++ b/src/Luban.Protobuf/Luban.Protobuf.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>disable</Nullable>
     </PropertyGroup>
diff --git a/src/Luban.Python/Luban.Python.csproj b/src/Luban.Python/Luban.Python.csproj
index 5a9e0b47..b9f5a049 100644
--- a/src/Luban.Python/Luban.Python.csproj
+++ b/src/Luban.Python/Luban.Python.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>disable</Nullable>
     </PropertyGroup>
diff --git a/src/Luban.Schema.Builtin/Luban.Schema.Builtin.csproj b/src/Luban.Schema.Builtin/Luban.Schema.Builtin.csproj
index 064e5afd..d7667949 100644
--- a/src/Luban.Schema.Builtin/Luban.Schema.Builtin.csproj
+++ b/src/Luban.Schema.Builtin/Luban.Schema.Builtin.csproj
@@ -25,7 +25,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>disable</Nullable>
         <EnableDynamicLoading>true</EnableDynamicLoading>
diff --git a/src/Luban.Typescript/Luban.Typescript.csproj b/src/Luban.Typescript/Luban.Typescript.csproj
index 612ed89d..0303e79d 100644
--- a/src/Luban.Typescript/Luban.Typescript.csproj
+++ b/src/Luban.Typescript/Luban.Typescript.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>disable</Nullable>
     </PropertyGroup>
diff --git a/src/Luban/Luban.csproj b/src/Luban/Luban.csproj
index 3bfd6c0d..b278e7e4 100644
--- a/src/Luban/Luban.csproj
+++ b/src/Luban/Luban.csproj
@@ -1,4 +1,4 @@
-<!--
+<!--
   - MIT License
   -
   - Copyright (c) 2023 Code Philosophy Technology Ltd.
@@ -25,7 +25,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>disable</Nullable>
         <OutputType>Exe</OutputType>