diff --git a/backend/app/Providers/AppServiceProvider.php b/backend/app/Providers/AppServiceProvider.php
index 452e6b6..5b73916 100644
--- a/backend/app/Providers/AppServiceProvider.php
+++ b/backend/app/Providers/AppServiceProvider.php
@@ -2,21 +2,23 @@
 
 namespace App\Providers;
 
+use App\Auth\BcryptPasswordHasher;
+use App\Auth\Clock;
+use App\Auth\PasswordHasher;
+use App\Auth\RandomTokenGenerator;
+use App\Auth\SystemClock;
+use App\Auth\TokenGenerator;
 use Illuminate\Support\ServiceProvider;
 
 class AppServiceProvider extends ServiceProvider
 {
-    /**
-     * Register any application services.
-     */
     public function register(): void
     {
-        //
+        $this->app->bind(Clock::class, SystemClock::class);
+        $this->app->bind(TokenGenerator::class, RandomTokenGenerator::class);
+        $this->app->bind(PasswordHasher::class, BcryptPasswordHasher::class);
     }
 
-    /**
-     * Bootstrap any application services.
-     */
     public function boot(): void
     {
         //
diff --git a/backend/app/Providers/RepositoryServiceProvider.php b/backend/app/Providers/RepositoryServiceProvider.php
new file mode 100644
index 0000000..0671b59
--- /dev/null
+++ b/backend/app/Providers/RepositoryServiceProvider.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Providers;
+
+use App\Auth\EloquentSessionRepository;
+use App\Auth\SessionRepository;
+use App\User\EloquentUserRepository;
+use App\User\UserRepository;
+use Illuminate\Support\ServiceProvider;
+
+class RepositoryServiceProvider extends ServiceProvider
+{
+    public function register(): void
+    {
+        $this->app->bind(
+            UserRepository::class,
+            EloquentUserRepository::class,
+        );
+        $this->app->bind(
+            SessionRepository::class,
+            EloquentSessionRepository::class,
+        );
+    }
+}
diff --git a/backend/bootstrap/providers.php b/backend/bootstrap/providers.php
index fc94ae6..37b94e7 100644
--- a/backend/bootstrap/providers.php
+++ b/backend/bootstrap/providers.php
@@ -1,7 +1,9 @@
 <?php
 
 use App\Providers\AppServiceProvider;
+use App\Providers\RepositoryServiceProvider;
 
 return [
     AppServiceProvider::class,
+    RepositoryServiceProvider::class,
 ];