diff --git a/Lib.Driver/Lib.Driver.csproj b/Lib.Driver/Lib.Driver.csproj
index cbfa581..d9bcfcd 100644
--- a/Lib.Driver/Lib.Driver.csproj
+++ b/Lib.Driver/Lib.Driver.csproj
@@ -2,6 +2,7 @@
 
     <PropertyGroup>
         <TargetFramework>net5.0</TargetFramework>
+        <Nullable>enable</Nullable>
     </PropertyGroup>
 
 </Project>