diff --git a/backend/Directory.Packages.props b/backend/Directory.Packages.props
index 7da68cc..64c8bfc 100644
--- a/backend/Directory.Packages.props
+++ b/backend/Directory.Packages.props
@@ -18,8 +18,8 @@
     <PackageVersion Include="Microsoft.Extensions.Http" Version="10.0.10" />
     <PackageVersion Include="Moq" Version="4.20.72" />
     <PackageVersion Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="10.0.3" />
+    <PackageVersion Include="Scalar.AspNetCore" Version="2.16.16" />
     <PackageVersion Include="Shouldly" Version="4.3.0" />
-    <PackageVersion Include="Swashbuckle.AspNetCore.SwaggerUI" Version="10.2.3" />
     <PackageVersion Include="coverlet.collector" Version="6.0.4" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageVersion Include="xunit" Version="2.9.3" />
diff --git a/backend/src/Tnsu.ApprovalRoute.Api/Program.cs b/backend/src/Tnsu.ApprovalRoute.Api/Program.cs
index 27106b6..fef508c 100644
--- a/backend/src/Tnsu.ApprovalRoute.Api/Program.cs
+++ b/backend/src/Tnsu.ApprovalRoute.Api/Program.cs
@@ -4,6 +4,7 @@ using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.OpenApi;
+using Scalar.AspNetCore;
 using Tnsu.ApprovalRoute.Api.Auth;
 using Tnsu.ApprovalRoute.Api.Filters;
 using Tnsu.ApprovalRoute.Application;
@@ -53,12 +54,15 @@ var app = builder.Build();
 if (app.Environment.IsDevelopment())
 {
     app.MapOpenApi();
-    app.UseSwaggerUI(c =>
+
+    // Scalar API reference UI — нативно понимает документ MapOpenApi (включая securitySchemes/security)
+    // и корректно прикрепляет Bearer-токен к запросам.
+    app.MapScalarApiReference(options =>
     {
-        c.SwaggerEndpoint("/openapi/v1.json", "Tnsu Approval Route v1");
-        c.RoutePrefix = string.Empty;
-        c.ConfigObject.AdditionalItems["persistAuthorization"] = true;
-        c.EnableTryItOutByDefault();
+        options
+            .WithTitle("Tnsu Approval Route")
+            .AddPreferredSecuritySchemes("Bearer")
+            .AddHttpAuthentication("Bearer", _ => { });
     });
 }
 
diff --git a/backend/src/Tnsu.ApprovalRoute.Api/Tnsu.ApprovalRoute.Api.csproj b/backend/src/Tnsu.ApprovalRoute.Api/Tnsu.ApprovalRoute.Api.csproj
index a941843..da2a380 100644
--- a/backend/src/Tnsu.ApprovalRoute.Api/Tnsu.ApprovalRoute.Api.csproj
+++ b/backend/src/Tnsu.ApprovalRoute.Api/Tnsu.ApprovalRoute.Api.csproj
@@ -11,6 +11,6 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" />
+    <PackageReference Include="Scalar.AspNetCore" />
   </ItemGroup>
 </Project>