diff --git a/Directory.Build.props b/Directory.Build.props
new file mode 100644
index 0000000..6b72322
--- /dev/null
+++ b/Directory.Build.props
@@ -0,0 +1,5 @@
+<Project>
+ <PropertyGroup>
+   <LangVersion>7.3</LangVersion>
+ </PropertyGroup>
+</Project>
\ No newline at end of file