diff --git a/EnvelopeGenerator.Infrastructure/EnvelopeGenerator.Infrastructure.csproj b/EnvelopeGenerator.Infrastructure/EnvelopeGenerator.Infrastructure.csproj
index 5b989eff..c160c8d0 100644
--- a/EnvelopeGenerator.Infrastructure/EnvelopeGenerator.Infrastructure.csproj
+++ b/EnvelopeGenerator.Infrastructure/EnvelopeGenerator.Infrastructure.csproj
@@ -1,24 +1,51 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net7.0;net8.0;net9.0</TargetFrameworks>
+    <TargetFrameworks>net462;net7.0;net8.0;net9.0</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <!-- disable for net462 -->
+  <PropertyGroup Condition="'$(TargetFramework)' == 'net462'">
+	<Nullable>disable</Nullable>
+	<ImplicitUsings>disable</ImplicitUsings>
+	<LangVersion>7.3</LangVersion>
+  </PropertyGroup>
+
+  <!-- enable for net7 and more -->
+  <PropertyGroup Condition="'$(TargetFramework)' == 'net7.0' Or '$(TargetFramework)' == 'net8.0' Or '$(TargetFramework)' == 'net9.0'">
+	<Nullable>enable</Nullable>
+	<ImplicitUsings>enable</ImplicitUsings>
+	<LangVersion>latest</LangVersion>
+  </PropertyGroup>
+
   <ItemGroup>
     <PackageReference Include="Dapper" Version="2.1.66" />
     <PackageReference Include="DigitalData.Core.Abstraction.Application" Version="1.3.1" />
     <PackageReference Include="DigitalData.Core.Infrastructure" Version="2.4.1" />
-    <PackageReference Include="DigitalData.EmailProfilerDispatcher" Version="3.1.1" />
     <PackageReference Include="QuestPDF" Version="2025.7.1" />
-	<PackageReference Include="UserManager" Version="1.1.3" />
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\EnvelopeGenerator.Application\EnvelopeGenerator.Application.csproj" />
     <ProjectReference Include="..\EnvelopeGenerator.Domain\EnvelopeGenerator.Domain.csproj" />
   </ItemGroup>
+
+	<ItemGroup Condition="'$(TargetFramework)' != 'net462'">
+    <ProjectReference Include="..\EnvelopeGenerator.Application\EnvelopeGenerator.Application.csproj" />
+    <PackageReference Include="DigitalData.EmailProfilerDispatcher" Version="3.1.1" />
+	<PackageReference Include="UserManager" Version="1.1.3" />
+  </ItemGroup>
+	
+  <ItemGroup Condition="'$(TargetFramework)' == 'net462'">
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.32" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="3.1.32" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="3.1.32">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="3.1.32" />
+  </ItemGroup>
 	
   <ItemGroup Condition="'$(TargetFramework)' == 'net7.0'">
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.20" />