diff --git a/src/Umbraco.Infrastructure/Umbraco.Infrastructure.csproj b/src/Umbraco.Infrastructure/Umbraco.Infrastructure.csproj
index 3a6b8387f2..f3fe26ca76 100644
--- a/src/Umbraco.Infrastructure/Umbraco.Infrastructure.csproj
+++ b/src/Umbraco.Infrastructure/Umbraco.Infrastructure.csproj
@@ -2,6 +2,7 @@
 
     <PropertyGroup>
         <TargetFramework>netstandard2.0</TargetFramework>
+        <LangVersion>7.3</LangVersion>
     </PropertyGroup>
 
     <ItemGroup>