diff --git a/Pal.Client/Pal.Client.csproj b/Pal.Client/Pal.Client.csproj
index 022ca91..8983076 100644
--- a/Pal.Client/Pal.Client.csproj
+++ b/Pal.Client/Pal.Client.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<TargetFramework>net7.0-windows</TargetFramework>
-		<LangVersion>10.0</LangVersion>
+		<LangVersion>11.0</LangVersion>
 		<Version>2.0</Version>
 		<Nullable>enable</Nullable>
 	</PropertyGroup>
diff --git a/Pal.Common/Pal.Common.csproj b/Pal.Common/Pal.Common.csproj
index f87b370..22d5a35 100644
--- a/Pal.Common/Pal.Common.csproj
+++ b/Pal.Common/Pal.Common.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net7.0</TargetFramework>
+    <LangVersion>11.0</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>