diff --git a/src/SMAPI/SMAPI.csproj b/src/SMAPI/SMAPI.csproj
index ec770ccf..e5c191f5 100644
--- a/src/SMAPI/SMAPI.csproj
+++ b/src/SMAPI/SMAPI.csproj
@@ -30,6 +30,7 @@
     <DefineConstants>$(DefineConstants);TRACE;DEBUG</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <LangVersion>latest</LangVersion>
     <LangVersion>8.0</LangVersion>
     <AndroidSupportedAbis>armeabi-v7a;x86;arm64-v8a;x86_64</AndroidSupportedAbis>
   </PropertyGroup>