diff --git a/src/DotNetPad/.editorconfig b/src/DotNetPad/.editorconfig
index ec4ff4b..b6ee788 100644
--- a/src/DotNetPad/.editorconfig
+++ b/src/DotNetPad/.editorconfig
@@ -6,6 +6,9 @@ dotnet_diagnostic.CA1062.severity = silent
 # CA1303: Do not pass literals as localized parameters
 dotnet_diagnostic.CA1303.severity = silent
 
+# CA1515: Consider making public types internal
+dotnet_diagnostic.CA1515.severity = none
+
 # CA2007: Consider calling ConfigureAwait on the awaited task
 dotnet_diagnostic.CA2007.severity = silent
 
diff --git a/src/DotNetPad/Directory.Packages.props b/src/DotNetPad/Directory.Packages.props
index 5123d42..470ade9 100644
--- a/src/DotNetPad/Directory.Packages.props
+++ b/src/DotNetPad/Directory.Packages.props
@@ -4,9 +4,9 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="AvalonEdit" Version="6.3.0.90" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Features" Version="4.11.0" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.VisualBasic.Features" Version="4.11.0" />
-    <PackageVersion Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.22621.3233" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Features" Version="4.12.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.VisualBasic.Features" Version="4.12.0" />
+    <PackageVersion Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.1742" />
     <PackageVersion Include="System.Waf.Core" Version="8.0.1" />
     <PackageVersion Include="System.Waf.Wpf" Version="8.0.1" />
   </ItemGroup>
diff --git a/src/DotNetPad/DotNetPad.Applications/DotNetPad.Applications.csproj b/src/DotNetPad/DotNetPad.Applications/DotNetPad.Applications.csproj
index cc70836..fc64aa3 100644
--- a/src/DotNetPad/DotNetPad.Applications/DotNetPad.Applications.csproj
+++ b/src/DotNetPad/DotNetPad.Applications/DotNetPad.Applications.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0-windows</TargetFramework>
+    <TargetFramework>net9.0-windows</TargetFramework>
     <AssemblyName>Waf.DotNetPad.Applications</AssemblyName>
     <RootNamespace>Waf.DotNetPad.Applications</RootNamespace>
   </PropertyGroup>
diff --git a/src/DotNetPad/DotNetPad.Domain/DotNetPad.Domain.csproj b/src/DotNetPad/DotNetPad.Domain/DotNetPad.Domain.csproj
index 8d0e9c4..09dda1e 100644
--- a/src/DotNetPad/DotNetPad.Domain/DotNetPad.Domain.csproj
+++ b/src/DotNetPad/DotNetPad.Domain/DotNetPad.Domain.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <AssemblyName>Waf.DotNetPad.Domain</AssemblyName>
     <RootNamespace>Waf.DotNetPad.Domain</RootNamespace>
   </PropertyGroup>
diff --git a/src/DotNetPad/DotNetPad.Presentation/DotNetPad.Presentation.csproj b/src/DotNetPad/DotNetPad.Presentation/DotNetPad.Presentation.csproj
index d68ee97..12f7a24 100644
--- a/src/DotNetPad/DotNetPad.Presentation/DotNetPad.Presentation.csproj
+++ b/src/DotNetPad/DotNetPad.Presentation/DotNetPad.Presentation.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net8.0-windows</TargetFramework>
+    <TargetFramework>net9.0-windows</TargetFramework>
     <UseWPF>true</UseWPF>
     <RootNamespace>Waf.DotNetPad.Presentation</RootNamespace>
     <AssemblyName>DotNetPad</AssemblyName>