diff --git a/Content.Benchmarks/Content.Benchmarks.csproj b/Content.Benchmarks/Content.Benchmarks.csproj
index 5c4a0521683..a9a5767dde6 100644
--- a/Content.Benchmarks/Content.Benchmarks.csproj
+++ b/Content.Benchmarks/Content.Benchmarks.csproj
@@ -8,7 +8,7 @@
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <LangVersion>10</LangVersion>
+    <LangVersion>11</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="BenchmarkDotNet" Version="0.13.1" />
diff --git a/Content.Client/Content.Client.csproj b/Content.Client/Content.Client.csproj
index cad7fd5ec4e..79c76cc3355 100644
--- a/Content.Client/Content.Client.csproj
+++ b/Content.Client/Content.Client.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <!-- Work around https://github.com/dotnet/project-system/issues/4314 -->
     <TargetFramework>$(TargetFramework)</TargetFramework>
-    <LangVersion>10</LangVersion>
+    <LangVersion>11</LangVersion>
     <IsPackable>false</IsPackable>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <OutputPath>..\bin\Content.Client\</OutputPath>
diff --git a/Content.IntegrationTests/Content.IntegrationTests.csproj b/Content.IntegrationTests/Content.IntegrationTests.csproj
index 6bcb65185b7..cb65b506647 100644
--- a/Content.IntegrationTests/Content.IntegrationTests.csproj
+++ b/Content.IntegrationTests/Content.IntegrationTests.csproj
@@ -6,7 +6,7 @@
     <OutputPath>..\bin\Content.IntegrationTests\</OutputPath>
     <IsPackable>false</IsPackable>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
-    <LangVersion>10</LangVersion>
+    <LangVersion>11</LangVersion>
   </PropertyGroup>
   <Import Project="..\RobustToolbox\MSBuild\Robust.DefineConstants.targets" />
   <ItemGroup>
diff --git a/Content.Server.Database/Content.Server.Database.csproj b/Content.Server.Database/Content.Server.Database.csproj
index da47c22e2a6..a9e6c98b25c 100644
--- a/Content.Server.Database/Content.Server.Database.csproj
+++ b/Content.Server.Database/Content.Server.Database.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <!-- Work around https://github.com/dotnet/project-system/issues/4314 -->
     <TargetFramework>$(TargetFramework)</TargetFramework>
-    <LangVersion>10</LangVersion>
+    <LangVersion>11</LangVersion>
     <IsPackable>false</IsPackable>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <OutputPath>..\bin\Content.Server.Database\</OutputPath>
diff --git a/Content.Server/Content.Server.csproj b/Content.Server/Content.Server.csproj
index 881c39aea2e..75e1a056fa2 100644
--- a/Content.Server/Content.Server.csproj
+++ b/Content.Server/Content.Server.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <!-- Work around https://github.com/dotnet/project-system/issues/4314 -->
     <TargetFramework>$(TargetFramework)</TargetFramework>
-    <LangVersion>10</LangVersion>
+    <LangVersion>11</LangVersion>
     <IsPackable>false</IsPackable>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <OutputPath>..\bin\Content.Server\</OutputPath>
diff --git a/Content.Shared/Content.Shared.csproj b/Content.Shared/Content.Shared.csproj
index b29b228b355..3289c281983 100644
--- a/Content.Shared/Content.Shared.csproj
+++ b/Content.Shared/Content.Shared.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <!-- Work around https://github.com/dotnet/project-system/issues/4314 -->
     <TargetFramework>$(TargetFramework)</TargetFramework>
-    <LangVersion>10</LangVersion>
+    <LangVersion>11</LangVersion>
     <IsPackable>false</IsPackable>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <Configurations>Release;Debug</Configurations>
diff --git a/Content.Tests/Content.Tests.csproj b/Content.Tests/Content.Tests.csproj
index 786cb375b5e..8751642cf01 100644
--- a/Content.Tests/Content.Tests.csproj
+++ b/Content.Tests/Content.Tests.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <!-- Work around https://github.com/dotnet/project-system/issues/4314 -->
     <TargetFramework>$(TargetFramework)</TargetFramework>
-    <LangVersion>10</LangVersion>
+    <LangVersion>11</LangVersion>
     <IsPackable>false</IsPackable>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <OutputPath>..\bin\Content.Tests\</OutputPath>