diff --git a/NFC/NFC.csproj b/NFC/NFC.csproj
index 3bff2a9..825742d 100644
--- a/NFC/NFC.csproj
+++ b/NFC/NFC.csproj
@@ -2,6 +2,8 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>