diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index dcb5e363..36149c99 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -21,7 +21,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@3e891b0cb619bf60e2c25674b222b8940e2c1c25 # v4.1.0
         with:
-          dotnet-version: 8.0.404
+          dotnet-version: 9.0.101
       - name: Install tools
         run: dotnet tool restore
       - name: Check formatting
@@ -35,7 +35,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@3e891b0cb619bf60e2c25674b222b8940e2c1c25 # v4.1.0
         with:
-          dotnet-version: 8.0.404
+          dotnet-version: 9.0.101
       - name: Run tests
         run: dotnet test -c Debug --collect:"XPlat Code Coverage" --settings coverlet.runsettings ArchUnitNETTests/
       - name: Upload coverage reports to Codecov
@@ -54,7 +54,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@3e891b0cb619bf60e2c25674b222b8940e2c1c25 # v4.1.0
         with:
-          dotnet-version: 8.0.404
+          dotnet-version: 9.0.101
       - name: Run tests
         run: dotnet test -c Debug
   publish-docs:
@@ -140,7 +140,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@3e891b0cb619bf60e2c25674b222b8940e2c1c25 # v4.1.0
         with:
-          dotnet-version: 8.0.404
+          dotnet-version: 9.0.101
       - name: Build
         run: dotnet build -c Release
       - name: Pack
diff --git a/ArchUnitNET.MSTestV2Tests/ArchUnitNET.MSTestV2Tests.csproj b/ArchUnitNET.MSTestV2Tests/ArchUnitNET.MSTestV2Tests.csproj
index cc59b648..d1379a14 100644
--- a/ArchUnitNET.MSTestV2Tests/ArchUnitNET.MSTestV2Tests.csproj
+++ b/ArchUnitNET.MSTestV2Tests/ArchUnitNET.MSTestV2Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <Company>TNG Technology Consulting GmbH</Company>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
diff --git a/ArchUnitNET.NUnitTests/ArchUnitNET.NUnitTests.csproj b/ArchUnitNET.NUnitTests/ArchUnitNET.NUnitTests.csproj
index fbda6e14..57013a53 100644
--- a/ArchUnitNET.NUnitTests/ArchUnitNET.NUnitTests.csproj
+++ b/ArchUnitNET.NUnitTests/ArchUnitNET.NUnitTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFramework>net9.0</TargetFramework>
         <IsPackable>false</IsPackable>
         <Company>TNG Technology Consulting GmbH</Company>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
diff --git a/ArchUnitNETTests/ArchUnitNETTests.csproj b/ArchUnitNETTests/ArchUnitNETTests.csproj
index 9ca9c16b..7309158a 100644
--- a/ArchUnitNETTests/ArchUnitNETTests.csproj
+++ b/ArchUnitNETTests/ArchUnitNETTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <LangVersion>latest</LangVersion>
     <Company>TNG Technology Consulting GmbH</Company>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
diff --git a/ExampleTest/ExampleTest.csproj b/ExampleTest/ExampleTest.csproj
index a54914a9..b05ac8e1 100644
--- a/ExampleTest/ExampleTest.csproj
+++ b/ExampleTest/ExampleTest.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Company>TNG Technology Consulting GmbH</Company>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
diff --git a/TestAssemblies/AttributeAssembly/AttributeAssembly.csproj b/TestAssemblies/AttributeAssembly/AttributeAssembly.csproj
index 3f9e9e0a..1325c6e5 100644
--- a/TestAssemblies/AttributeAssembly/AttributeAssembly.csproj
+++ b/TestAssemblies/AttributeAssembly/AttributeAssembly.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
diff --git a/TestAssemblies/DependencyAssembly/DependencyAssembly.csproj b/TestAssemblies/DependencyAssembly/DependencyAssembly.csproj
index 3f9e9e0a..1325c6e5 100644
--- a/TestAssemblies/DependencyAssembly/DependencyAssembly.csproj
+++ b/TestAssemblies/DependencyAssembly/DependencyAssembly.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
diff --git a/TestAssemblies/FilteredDirectoryLoaderTestAssembly/FilteredDirectoryLoaderTestAssembly.csproj b/TestAssemblies/FilteredDirectoryLoaderTestAssembly/FilteredDirectoryLoaderTestAssembly.csproj
index 6d0a2fdc..a3c46b29 100644
--- a/TestAssemblies/FilteredDirectoryLoaderTestAssembly/FilteredDirectoryLoaderTestAssembly.csproj
+++ b/TestAssemblies/FilteredDirectoryLoaderTestAssembly/FilteredDirectoryLoaderTestAssembly.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFramework>net9.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
diff --git a/TestAssemblies/LoaderTestAssembly/LoaderTestAssembly.csproj b/TestAssemblies/LoaderTestAssembly/LoaderTestAssembly.csproj
index 3f9e9e0a..1325c6e5 100644
--- a/TestAssemblies/LoaderTestAssembly/LoaderTestAssembly.csproj
+++ b/TestAssemblies/LoaderTestAssembly/LoaderTestAssembly.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
diff --git a/TestAssemblies/OtherLoaderTestAssembly/OtherLoaderTestAssembly.csproj b/TestAssemblies/OtherLoaderTestAssembly/OtherLoaderTestAssembly.csproj
index 3f9e9e0a..1325c6e5 100644
--- a/TestAssemblies/OtherLoaderTestAssembly/OtherLoaderTestAssembly.csproj
+++ b/TestAssemblies/OtherLoaderTestAssembly/OtherLoaderTestAssembly.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
diff --git a/TestAssemblies/VisibilityAssembly/VisibilityAssembly.csproj b/TestAssemblies/VisibilityAssembly/VisibilityAssembly.csproj
index 3f9e9e0a..1325c6e5 100644
--- a/TestAssemblies/VisibilityAssembly/VisibilityAssembly.csproj
+++ b/TestAssemblies/VisibilityAssembly/VisibilityAssembly.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
diff --git a/TestAssembly/TestAssembly.csproj b/TestAssembly/TestAssembly.csproj
index 96bd713e..020dad85 100644
--- a/TestAssembly/TestAssembly.csproj
+++ b/TestAssembly/TestAssembly.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFramework>net9.0</TargetFramework>
         <LangVersion>Latest</LangVersion>
         <IsPackable>false</IsPackable>
         <Product>TestAssembly</Product>
diff --git a/global.json b/global.json
index 62cf096a..2c625116 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "8.0.404",
+    "version": "9.0.101",
     "rollForward": "latestMajor",
     "allowPrerelease": true
   }