diff --git a/Directory.Build.props b/Directory.Build.props
index 6e4402fc..02f5a896 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -13,7 +13,7 @@
     <PackageReadmeFile>README.md</PackageReadmeFile>
   </PropertyGroup>
   <PropertyGroup>
-    <LangVersion>10.0</LangVersion>
+    <LangVersion>12.0</LangVersion>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <PropertyGroup>