diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 720b369d..39b292e3 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
   <PropertyGroup>
-    <LangVersion>11.0</LangVersion>
+    <LangVersion>preview</LangVersion>
     <NoWarn>CS1591</NoWarn>
     <Version>5.9.0</Version>
     <AssemblyVersion>3.0</AssemblyVersion>