diff --git a/Robust.Client/Robust.Client.csproj b/Robust.Client/Robust.Client.csproj
index ad32d1160..b86934cc9 100644
--- a/Robust.Client/Robust.Client.csproj
+++ b/Robust.Client/Robust.Client.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <!-- Work around https://github.com/dotnet/project-system/issues/4314 -->
     <TargetFramework>$(TargetFramework)</TargetFramework>
-    <LangVersion>8</LangVersion>
+    <LangVersion>9</LangVersion>
     <IsPackable>false</IsPackable>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <OutputType>Exe</OutputType>
diff --git a/Robust.Server/Robust.Server.csproj b/Robust.Server/Robust.Server.csproj
index aa45600df..680c8002f 100644
--- a/Robust.Server/Robust.Server.csproj
+++ b/Robust.Server/Robust.Server.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <!-- Work around https://github.com/dotnet/project-system/issues/4314 -->
     <TargetFramework>$(TargetFramework)</TargetFramework>
-    <LangVersion>8</LangVersion>
+    <LangVersion>9</LangVersion>
     <IsPackable>false</IsPackable>
     <OutputType>Exe</OutputType>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
diff --git a/Robust.Shared.Maths/Robust.Shared.Maths.csproj b/Robust.Shared.Maths/Robust.Shared.Maths.csproj
index d174d99cc..0f5c6ee03 100644
--- a/Robust.Shared.Maths/Robust.Shared.Maths.csproj
+++ b/Robust.Shared.Maths/Robust.Shared.Maths.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <!-- Work around https://github.com/dotnet/project-system/issues/4314 -->
     <TargetFramework>$(TargetFramework)</TargetFramework>
-    <LangVersion>8</LangVersion>
+    <LangVersion>9</LangVersion>
     <IsPackable>false</IsPackable>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <OutputPath>../bin/Shared.Maths</OutputPath>
diff --git a/Robust.Shared.Scripting/Robust.Shared.Scripting.csproj b/Robust.Shared.Scripting/Robust.Shared.Scripting.csproj
index 41d4173ff..1ef825565 100644
--- a/Robust.Shared.Scripting/Robust.Shared.Scripting.csproj
+++ b/Robust.Shared.Scripting/Robust.Shared.Scripting.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <!-- Work around https://github.com/dotnet/project-system/issues/4314 -->
     <TargetFramework>$(TargetFramework)</TargetFramework>
-    <LangVersion>8</LangVersion>
+    <LangVersion>9</LangVersion>
     <IsPackable>false</IsPackable>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <OutputPath>../bin/Shared.Maths</OutputPath>
diff --git a/Robust.Shared/Robust.Shared.csproj b/Robust.Shared/Robust.Shared.csproj
index 95e67062d..ffad5172a 100644
--- a/Robust.Shared/Robust.Shared.csproj
+++ b/Robust.Shared/Robust.Shared.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <!-- Work around https://github.com/dotnet/project-system/issues/4314 -->
     <TargetFramework>$(TargetFramework)</TargetFramework>
-    <LangVersion>8</LangVersion>
+    <LangVersion>9</LangVersion>
     <IsPackable>false</IsPackable>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <OutputPath>../bin/Shared</OutputPath>
diff --git a/Robust.UnitTesting/Robust.UnitTesting.csproj b/Robust.UnitTesting/Robust.UnitTesting.csproj
index 1462d2ac2..830ad46f2 100644
--- a/Robust.UnitTesting/Robust.UnitTesting.csproj
+++ b/Robust.UnitTesting/Robust.UnitTesting.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <!-- Work around https://github.com/dotnet/project-system/issues/4314 -->
     <TargetFramework>$(TargetFramework)</TargetFramework>
-    <LangVersion>8</LangVersion>
+    <LangVersion>9</LangVersion>
     <IsPackable>false</IsPackable>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <OutputPath>../bin/UnitTesting</OutputPath>