diff --git a/app/Providers/WorkingDaysProvider.php b/app/Providers/WorkingDaysProvider.php
new file mode 100644
index 0000000..c73c810
--- /dev/null
+++ b/app/Providers/WorkingDaysProvider.php
@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Providers;
+
+use App\Services\Utils\DurationConvertor;
+use App\Services\WorkingDays\DurationSolverFactory;
+use App\Services\WorkingDays\PublicHolidays\PublicHolidaysGeneratorFactory;
+use App\Services\WorkingDays\PublicHolidays\PublicHolidaysStateFactory;
+use App\Services\WorkingDays\PublicHolidays\Storage\DatabaseStorage;
+use App\Services\WorkingDays\PublicHolidays\Storage\PublicHolidaysStorageInterface;
+use App\Services\WorkingDays\WorkingDayDeterminerFactory;
+use Illuminate\Support\ServiceProvider;
+
+class WorkingDaysProvider extends ServiceProvider
+{
+    /**
+     * Register any application services.
+     */
+    public function register(): void
+    {
+        $this->app->singleton(PublicHolidaysStorageInterface::class, function () {
+            return new DatabaseStorage();
+        });
+
+        $this->app->singleton(PublicHolidaysStateFactory::class, function() {
+            return new PublicHolidaysStateFactory(
+                $this->app->make(PublicHolidaysStorageInterface::class)
+            );
+        });
+
+        $this->app->singleton(WorkingDayDeterminerFactory::class, function() {
+            return new WorkingDayDeterminerFactory(
+                $this->app->make(PublicHolidaysStateFactory::class)
+            );
+        });
+
+        $this->app->singleton(DurationSolverFactory::class, function() {
+          return new DurationSolverFactory(
+              $this->app->make(WorkingDayDeterminerFactory::class),
+              $this->app->make(DurationConvertor::class)
+          );
+        });
+
+        $this->app->singleton(PublicHolidaysGeneratorFactory::class, function() {
+            return new PublicHolidaysGeneratorFactory();
+        });
+    }
+
+    /**
+     * Bootstrap any application services.
+     */
+    public function boot(): void
+    {
+    }
+}
diff --git a/bootstrap/providers.php b/bootstrap/providers.php
index 38b258d..94930ec 100644
--- a/bootstrap/providers.php
+++ b/bootstrap/providers.php
@@ -1,5 +1,6 @@
 <?php
 
 return [
-    App\Providers\AppServiceProvider::class,
+    App\Providers\WorkingDaysProvider::class,
+    App\Providers\Swagger::class,
 ];