diff --git a/ManualDi.Main/ManualDi.Main.Benchmark/ManualDi.Main.Benchmark.csproj b/ManualDi.Main/ManualDi.Main.Benchmark/ManualDi.Main.Benchmark.csproj
index 5ea099d..8af63aa 100644
--- a/ManualDi.Main/ManualDi.Main.Benchmark/ManualDi.Main.Benchmark.csproj
+++ b/ManualDi.Main/ManualDi.Main.Benchmark/ManualDi.Main.Benchmark.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <OutputType>EXE</OutputType>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <LangVersion>12</LangVersion>
diff --git a/ManualDi.Main/ManualDi.Main.Playground/ManualDi.Main.Playground.csproj b/ManualDi.Main/ManualDi.Main.Playground/ManualDi.Main.Playground.csproj
index f6ec488..f861bcc 100644
--- a/ManualDi.Main/ManualDi.Main.Playground/ManualDi.Main.Playground.csproj
+++ b/ManualDi.Main/ManualDi.Main.Playground/ManualDi.Main.Playground.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <LangVersion>12</LangVersion>
         <Nullable>enable</Nullable>
diff --git a/ManualDi.Main/ManualDi.Main.Tests/ManualDi.Main.Tests.csproj b/ManualDi.Main/ManualDi.Main.Tests/ManualDi.Main.Tests.csproj
index 8f071ee..2834884 100644
--- a/ManualDi.Main/ManualDi.Main.Tests/ManualDi.Main.Tests.csproj
+++ b/ManualDi.Main/ManualDi.Main.Tests/ManualDi.Main.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <LangVersion>12</LangVersion>
     <IsPackable>false</IsPackable>
     <RootNamespace>ManualDi.Main.Tests</RootNamespace>