diff --git a/EnvelopeGenerator.Domain/EnvelopeGenerator.Domain.csproj b/EnvelopeGenerator.Domain/EnvelopeGenerator.Domain.csproj
index a049b07e..da8190a1 100644
--- a/EnvelopeGenerator.Domain/EnvelopeGenerator.Domain.csproj
+++ b/EnvelopeGenerator.Domain/EnvelopeGenerator.Domain.csproj
@@ -2,7 +2,16 @@
 
   <PropertyGroup>
     <TargetFrameworks>net462;net7.0;net8.0;net9.0</TargetFrameworks>
-    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(TargetFramework)' == 'net462'">
+	<ImplicitUsings>disable</ImplicitUsings>
+	<LangVersion>7.3</LangVersion>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(TargetFramework)' != 'net462'">
+	<ImplicitUsings>enable</ImplicitUsings>
+	<LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net462'">