diff --git a/src/Worker/Program.cs b/src/Worker/Program.cs
index 1f346c1..d06d13d 100644
--- a/src/Worker/Program.cs
+++ b/src/Worker/Program.cs
@@ -29,7 +29,8 @@
 
         // ── Database (PostgreSQL via EF Core) ──
         services.AddDbContext<AppDbContext>(options =>
-            options.UseNpgsql(configuration.GetConnectionString("DefaultConnection")));
+            options.UseNpgsql(configuration.GetConnectionString("DefaultConnection"))
+                   .UseSnakeCaseNamingConvention());
 
         // ── Repository ──
         services.AddScoped<IDocumentRepository, DocumentRepository>();
diff --git a/src/Worker/Worker.csproj b/src/Worker/Worker.csproj
index b7b7b86..97ec08a 100644
--- a/src/Worker/Worker.csproj
+++ b/src/Worker/Worker.csproj
@@ -8,6 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="EFCore.NamingConventions" Version="8.0.3" />
     <PackageReference Include="MassTransit" Version="8.5.9" />
     <PackageReference Include="MassTransit.RabbitMQ" Version="8.5.9" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.*" />