diff --git a/app/Http/Controllers/Users/ProfileController.php b/app/Http/Controllers/Users/ProfileController.php
index c1995f0..8fece0f 100644
--- a/app/Http/Controllers/Users/ProfileController.php
+++ b/app/Http/Controllers/Users/ProfileController.php
@@ -20,7 +20,11 @@ class ProfileController extends Controller
 
     public function edit()
     {
-        $langList = ['en' => trans('lang.en'), 'id' => trans('lang.id')];
+        $langList = [
+            'en' => trans('lang.en'),
+            'id' => trans('lang.id'),
+            'de' => trans('lang.de'),
+        ];
 
         return view('users.profile.edit', compact('langList'));
     }
@@ -30,7 +34,7 @@ class ProfileController extends Controller
         request()->validate([
             'name'  => 'required|string|max:100',
             'email' => 'required|email|max:255',
-            'lang'  => 'required|string|in:en,id',
+            'lang'  => 'required|string|in:en,id,de',
         ]);
 
         $user = auth()->user();
@@ -48,7 +52,7 @@ class ProfileController extends Controller
     public function switchLang()
     {
         $userData = request()->validate([
-            'lang' => 'required|string|in:en,id',
+            'lang' => 'required|string|in:en,id,de',
         ]);
 
         $user = request()->user();
diff --git a/resources/lang/en/lang.php b/resources/lang/en/lang.php
index b6a1bd1..a3df1f7 100644
--- a/resources/lang/en/lang.php
+++ b/resources/lang/en/lang.php
@@ -5,4 +5,5 @@ return [
     'switch_tooltip' => 'Switch language to :lang',
     'en'             => 'English',
     'id'             => 'Bahasa',
+    'de'             => 'German',
 ];
diff --git a/resources/lang/id/lang.php b/resources/lang/id/lang.php
index 49af53d..f56cfb4 100644
--- a/resources/lang/id/lang.php
+++ b/resources/lang/id/lang.php
@@ -3,6 +3,7 @@
 return [
     'lang'           => 'Bahasa',
     'switch_tooltip' => 'Ubah bahasa ke :lang',
-    'en'             => 'Bahasa Inggris',
-    'id'             => 'Bahasa Indonesia',
+    'en'             => 'Inggris',
+    'id'             => 'Indonesia',
+    'de'             => 'Jerman',
 ];
diff --git a/resources/views/layouts/partials/lang-switcher.blade.php b/resources/views/layouts/partials/lang-switcher.blade.php
index ebbf247..4269b9e 100644
--- a/resources/views/layouts/partials/lang-switcher.blade.php
+++ b/resources/views/layouts/partials/lang-switcher.blade.php
@@ -22,4 +22,15 @@
         + (auth()->user()->lang == 'id' ? ['disabled' => 'disabled'] : []),
         ['lang' => 'id']
     ) !!}
+    {!! FormField::formButton(
+        [
+            'route'  => 'users.profile.switch-lang',
+            'method' => 'patch',
+            'title'  => auth()->user()->lang != 'de' ? trans('lang.switch_tooltip', ['lang' => trans('lang.de')]) : ''
+        ],
+        'DE',
+        ['class' => 'btn btn-default btn-xs', 'de' => 'switch_lang_de']
+        + (auth()->user()->lang == 'de' ? ['disabled' => 'disabled'] : []),
+        ['lang' => 'de']
+    ) !!}
 </div>
diff --git a/tests/Feature/Users/UserProfileTest.php b/tests/Feature/Users/UserProfileTest.php
index c3e1552..6223d9f 100644
--- a/tests/Feature/Users/UserProfileTest.php
+++ b/tests/Feature/Users/UserProfileTest.php
@@ -36,7 +36,7 @@ class UserProfileTest extends TestCase
         $this->submitForm(trans('auth.update_profile'), [
             'name'  => 'Nama Saya',
             'email' => 'me@domain.com',
-            'lang'  => 'en', // en, id
+            'lang'  => 'en', // en, id, de
         ]);
 
         $this->see(trans('auth.profile_updated'));
@@ -80,5 +80,10 @@ class UserProfileTest extends TestCase
 
         $this->assertEquals('id', app()->getLocale());
         $this->assertEquals('id', $user->fresh()->lang);
+
+        $this->submitForm('switch_lang_id', ['lang' => 'de']);
+
+        $this->assertEquals('de', app()->getLocale());
+        $this->assertEquals('de', $user->fresh()->lang);
     }
 }