diff --git a/Endpoint/Configuration/Core/Startup/ApiVersioningConfiguration.cs b/Endpoint/Configuration/Core/Startup/ApiVersioningConfiguration.cs
index 151d5fb..1f60624 100644
--- a/Endpoint/Configuration/Core/Startup/ApiVersioningConfiguration.cs
+++ b/Endpoint/Configuration/Core/Startup/ApiVersioningConfiguration.cs
@@ -5,9 +5,9 @@ namespace Mirea.Api.Endpoint.Configuration.Core.Startup;
 
 public static class ApiVersioningConfiguration
 {
-    public static void AddCustomApiVersioning(this IServiceCollection services)
+    public static IApiVersioningBuilder AddCustomApiVersioning(this IServiceCollection services)
     {
-        services.AddApiVersioning(options =>
+        return services.AddApiVersioning(options =>
         {
             options.DefaultApiVersion = new ApiVersion(1, 0);
             options.AssumeDefaultVersionWhenUnspecified = true;
diff --git a/Endpoint/Configuration/Core/Startup/JwtConfiguration.cs b/Endpoint/Configuration/Core/Startup/JwtConfiguration.cs
index 191a328..c6009d0 100644
--- a/Endpoint/Configuration/Core/Startup/JwtConfiguration.cs
+++ b/Endpoint/Configuration/Core/Startup/JwtConfiguration.cs
@@ -1,4 +1,5 @@
-using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.IdentityModel.Tokens;
@@ -11,7 +12,7 @@ namespace Mirea.Api.Endpoint.Configuration.Core.Startup;
 
 public static class JwtConfiguration
 {
-    public static IServiceCollection AddJwtToken(this IServiceCollection services, IConfiguration configuration)
+    public static AuthenticationBuilder AddJwtToken(this IServiceCollection services, IConfiguration configuration)
     {
         var lifeTimeJwt = TimeSpan.FromMinutes(int.Parse(configuration["SECURITY_LIFE_TIME_JWT"]!));
 
@@ -40,7 +41,7 @@ public static class JwtConfiguration
             SigningKey = jwtKey
         });
 
-        services.AddAuthentication(options =>
+        return services.AddAuthentication(options =>
         {
             options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
             options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
@@ -60,7 +61,5 @@ public static class JwtConfiguration
                 TokenDecryptionKey = new SymmetricSecurityKey(jwtDecrypt)
             };
         });
-
-        return services;
     }
 }
diff --git a/Endpoint/Configuration/Core/Startup/LoggerConfiguration.cs b/Endpoint/Configuration/Core/Startup/LoggerConfiguration.cs
index aece72b..a8e7f59 100644
--- a/Endpoint/Configuration/Core/Startup/LoggerConfiguration.cs
+++ b/Endpoint/Configuration/Core/Startup/LoggerConfiguration.cs
@@ -15,7 +15,7 @@ public static class LoggerConfiguration
 {
     public static IHostBuilder AddCustomSerilog(this IHostBuilder hostBuilder)
     {
-        hostBuilder.UseSerilog((context, _, configuration) =>
+        return hostBuilder.UseSerilog((context, _, configuration) =>
         {
             var generalConfig = context.Configuration.Get<GeneralConfig>()?.LogSettings;
             configuration
@@ -51,13 +51,11 @@ public static class LoggerConfiguration
             configuration.Filter.ByExcluding(Matching.WithProperty<string>("SourceContext", sc =>
                 sc.Contains("Microsoft.EntityFrameworkCore.Database.Command")));
         });
-
-        return hostBuilder;
     }
 
     public static IApplicationBuilder UseCustomSerilog(this IApplicationBuilder app)
     {
-        app.UseSerilogRequestLogging(options =>
+        return app.UseSerilogRequestLogging(options =>
         {
             options.MessageTemplate = "[{RequestMethod}] {RequestPath} [Client {RemoteIPAddress}] [{StatusCode}] in {Elapsed:0.0000} ms";
 
@@ -75,7 +73,5 @@ public static class LoggerConfiguration
                 diagnosticContext.Set("RemoteIPAddress", httpContext.Connection.RemoteIpAddress?.ToString());
             };
         });
-
-        return app;
     }
 }
diff --git a/Endpoint/Configuration/Core/Startup/SwaggerConfiguration.cs b/Endpoint/Configuration/Core/Startup/SwaggerConfiguration.cs
index 1fc5b91..0eddcac 100644
--- a/Endpoint/Configuration/Core/Startup/SwaggerConfiguration.cs
+++ b/Endpoint/Configuration/Core/Startup/SwaggerConfiguration.cs
@@ -51,15 +51,13 @@ public static class SwaggerConfiguration
                 options.IncludeXmlComments(Path.Combine(basePath, "ApiDtoDocs.xml"));
         });
 
-        services.AddTransient<IConfigureOptions<SwaggerGenOptions>, ConfigureSwaggerOptions>();
-
-        return services;
+        return services.AddTransient<IConfigureOptions<SwaggerGenOptions>, ConfigureSwaggerOptions>();
     }
 
     public static IApplicationBuilder UseCustomSwagger(this IApplicationBuilder app, IServiceProvider services)
     {
         app.UseSwagger();
-        app.UseSwaggerUI(options =>
+        return app.UseSwaggerUI(options =>
         {
             options.InjectStylesheet($"{UrlHelper.GetSubPath}css/swagger/SwaggerDark.css");
             var provider = services.GetService<IApiVersionDescriptionProvider>();
@@ -72,7 +70,5 @@ public static class SwaggerConfiguration
                 options.RoutePrefix = UrlHelper.GetSubPathSwagger.Trim('/');
             }
         });
-
-        return app;
     }
 }
\ No newline at end of file