diff --git a/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs b/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
index a4c6019..a306576 100644
--- a/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
+++ b/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
@@ -1,21 +1,24 @@
 using ExcelDna.Integration;
 using ExcelDna.IntelliSense;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Office.Interop.Excel;
 using RhSolutions.Services;
 using System.Net;
-using System.Net.Http;
 
 namespace RhSolutions.AddIn
 {
-    class RhSolutionsAddIn : IExcelAddIn
+    public class RhSolutionsAddIn : IExcelAddIn
     {
         public static Application Excel { get; private set; }
-        public static HttpClient HttpClient { get; private set; }
+        public static ServiceProvider ServiceProvider { get; set; }
 
         public void AutoOpen()
         {
+            IServiceCollection Services = new ServiceCollection();
+            Services.AddHttpClient();
+            ServiceProvider = Services.BuildServiceProvider();
+
             Excel = (Application)ExcelDnaUtil.Application;
-            HttpClient = new HttpClient();
             IntelliSenseServer.Install();
             RegistryUtil.Initialize();
             EventsUtil.Initialize();
@@ -29,7 +32,7 @@ namespace RhSolutions.AddIn
             IntelliSenseServer.Uninstall();
             RegistryUtil.Uninitialize();
             EventsUtil.Uninitialize();
-            HttpClient.Dispose();
+            //HttpClient.Dispose();
         }
     }
 }
diff --git a/RhSolutions.AddIn/RhSolutions.AddIn.csproj b/RhSolutions.AddIn/RhSolutions.AddIn.csproj
index 9b88245..f5498c0 100644
--- a/RhSolutions.AddIn/RhSolutions.AddIn.csproj
+++ b/RhSolutions.AddIn/RhSolutions.AddIn.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
-		<TargetFrameworks>net472;net6.0-windows</TargetFrameworks>
+		<TargetFrameworks>net472;net6.0-windows7.0</TargetFrameworks>
 		<LangVersion>10</LangVersion>
 		<OutputType>Library</OutputType>
 		<RootNamespace>RhSolutions.AddIn</RootNamespace>
@@ -13,13 +13,18 @@
 		<StartupObject />
 	</PropertyGroup>
 	<ItemGroup>
-		<PackageReference Include="ExcelDna.AddIn" Version="1.6.0" />
+		<PackageReference Include="ExcelDna.AddIn" Version="1.6.0">
+		  <TreatAsUsed>true</TreatAsUsed>
+		</PackageReference>
 		<PackageReference Include="ExcelDna.Integration" Version="1.6.0" />
 		<PackageReference Include="ExcelDna.IntelliSense" Version="1.6.0" />
 		<PackageReference Include="ExcelDna.Interop" Version="15.0.1" />
 		<PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
+		<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0">
+		  <TreatAsUsed>true</TreatAsUsed>
+		</PackageReference>
+		<PackageReference Include="Microsoft.Extensions.Http" Version="7.0.0" />
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
 		<PackageReference Include="RhSolutions.Sku" Version="0.1.1" />
-		<PackageReference Include="System.Net.Http" Version="4.3.4" />
 	</ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/RhSolutions.AddIn/Services/RhDatabaseClient.cs b/RhSolutions.AddIn/Services/RhDatabaseClient.cs
index 70530ae..43463ca 100644
--- a/RhSolutions.AddIn/Services/RhDatabaseClient.cs
+++ b/RhSolutions.AddIn/Services/RhDatabaseClient.cs
@@ -1,4 +1,5 @@
-using Newtonsoft.Json;
+using Microsoft.Extensions.DependencyInjection;
+using Newtonsoft.Json;
 using RhSolutions.AddIn;
 using RhSolutions.Models;
 using System;
@@ -25,7 +26,8 @@ namespace RhSolutions.Services
                 request = @"https://rh.cebotari.ru/api/search?query=" + line;
             }
 
-            var response = await RhSolutionsAddIn.HttpClient.GetAsync(request);
+            var client = RhSolutionsAddIn.ServiceProvider.GetRequiredService<HttpClient>(); 
+            var response = await client.GetAsync(request);
 
             try
             {