diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 5aa2803..c1d7f77 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -5,7 +5,7 @@ or submit a pull request.
 
 ### Pull request guidelines
 
-This project uses C# 10.0 language features where feasible, and adheres to StyleCop rules with some minor adjustments.
+This project uses C# 11.0 language features where feasible, and adheres to StyleCop rules with some minor adjustments.
 There is an `.editorconfig` included in this repository. For quick and painless pull requests, ensure that the analyzer does not
 throw warnings.
 
@@ -13,7 +13,7 @@ throw warnings.
 
 Below are a few pointers to which you may refer, but keep in mind this is not an exhaustive list:
 
-- Use C# 10.0 features where possible
+- Use C# 11.0 features where possible
 - Try to ensure code is CLS-compliant. Where this is not possible, decorate methods with `CLSCompliantAttribute` and pass `false`
 - Follow all .NET guidelines and coding conventions.
   See https://docs.microsoft.com/en-us/dotnet/csharp/fundamentals/coding-style/coding-conventions
diff --git a/X10D.DSharpPlus/X10D.DSharpPlus.csproj b/X10D.DSharpPlus/X10D.DSharpPlus.csproj
index aff44a4..2e8bf54 100644
--- a/X10D.DSharpPlus/X10D.DSharpPlus.csproj
+++ b/X10D.DSharpPlus/X10D.DSharpPlus.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <TargetFrameworks>net7.0;net6.0;netstandard2.1</TargetFrameworks>
-        <LangVersion>10.0</LangVersion>
+        <LangVersion>11.0</LangVersion>
         <Optimize>true</Optimize>
         <ImplicitUsings>true</ImplicitUsings>
         <Authors>Oliver Booth</Authors>
diff --git a/X10D.Hosting/X10D.Hosting.csproj b/X10D.Hosting/X10D.Hosting.csproj
index 23b5f4b..14bce23 100644
--- a/X10D.Hosting/X10D.Hosting.csproj
+++ b/X10D.Hosting/X10D.Hosting.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <TargetFrameworks>net7.0;net6.0;netstandard2.1</TargetFrameworks>
-        <LangVersion>10.0</LangVersion>
+        <LangVersion>11.0</LangVersion>
         <Optimize>true</Optimize>
         <ImplicitUsings>true</ImplicitUsings>
         <Authors>Oliver Booth</Authors>
diff --git a/X10D.SourceGenerator/X10D.SourceGenerator.csproj b/X10D.SourceGenerator/X10D.SourceGenerator.csproj
index 8220df9..800d5fc 100644
--- a/X10D.SourceGenerator/X10D.SourceGenerator.csproj
+++ b/X10D.SourceGenerator/X10D.SourceGenerator.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <TargetFramework>netstandard2.0</TargetFramework>
-        <LangVersion>10.0</LangVersion>
+        <LangVersion>11.0</LangVersion>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
     </PropertyGroup>
diff --git a/X10D.SourceValidator/X10D.SourceValidator.csproj b/X10D.SourceValidator/X10D.SourceValidator.csproj
index f399bb9..213a980 100644
--- a/X10D.SourceValidator/X10D.SourceValidator.csproj
+++ b/X10D.SourceValidator/X10D.SourceValidator.csproj
@@ -3,6 +3,7 @@
     <PropertyGroup>
         <OutputType>Exe</OutputType>
         <TargetFramework>net7.0</TargetFramework>
+        <LangVersion>11.0</LangVersion>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
     </PropertyGroup>
diff --git a/X10D.Tests/X10D.Tests.csproj b/X10D.Tests/X10D.Tests.csproj
index 69ae0a2..e547f07 100644
--- a/X10D.Tests/X10D.Tests.csproj
+++ b/X10D.Tests/X10D.Tests.csproj
@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net7.0;net6.0</TargetFrameworks>
-        <LangVersion>10.0</LangVersion>
+        <TargetFramework>net7.0</TargetFramework>
+        <LangVersion>11.0</LangVersion>
         <IsPackable>false</IsPackable>
         <Nullable>enable</Nullable>
         <ImplicitUsings>true</ImplicitUsings>
diff --git a/X10D.Unity/X10D.Unity.csproj b/X10D.Unity/X10D.Unity.csproj
index a6d564d..9e3c9cd 100644
--- a/X10D.Unity/X10D.Unity.csproj
+++ b/X10D.Unity/X10D.Unity.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <TargetFramework>netstandard2.1</TargetFramework>
-        <LangVersion>10.0</LangVersion>
+        <LangVersion>11.0</LangVersion>
         <Optimize>true</Optimize>
         <ImplicitUsings>true</ImplicitUsings>
         <Authors>Oliver Booth</Authors>
diff --git a/X10D/X10D.csproj b/X10D/X10D.csproj
index 00dc6b0..bb29668 100644
--- a/X10D/X10D.csproj
+++ b/X10D/X10D.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <TargetFrameworks>net7.0;net6.0;netstandard2.1</TargetFrameworks>
-        <LangVersion>10.0</LangVersion>
+        <LangVersion>11.0</LangVersion>
         <Optimize>true</Optimize>
         <ImplicitUsings>true</ImplicitUsings>
         <Authors>Oliver Booth</Authors>
@@ -87,4 +87,4 @@
         <ProjectReference Include="..\X10D.SourceGenerator\X10D.SourceGenerator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false"/>
     </ItemGroup>
 
-</Project>
\ No newline at end of file
+</Project>