diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d9a62ad..4167d5b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,8 +9,9 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - '7.3'
           - '7.4'
+          - '8.0'
+          - '8.1'
     steps:
       - uses: actions/checkout@v2
       - name: Use PHP ${{ matrix.php-version }}
diff --git a/Dockerfile b/Dockerfile
index c0017b0..b6be73e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,6 @@
-FROM php:7.3-apache
+FROM php:7.4-apache
 RUN apt-get update
 RUN apt-get install -y libicu-dev xz-utils git python libgmp-dev unzip ffmpeg
-RUN docker-php-ext-install mbstring
 RUN docker-php-ext-install intl
 RUN docker-php-ext-install gmp
 RUN a2enmod rewrite
@@ -12,4 +11,5 @@ RUN php composer.phar check-platform-reqs --no-dev
 RUN php composer.phar install --prefer-dist --no-progress --no-dev --optimize-autoloader
 RUN mkdir /var/www/html/templates_c/
 RUN chmod 770 -R /var/www/html/templates_c/
+RUN chown www-data -R /var/www/html/templates_c/
 ENV CONVERT=1
diff --git a/classes/Config.php b/classes/Config.php
index 919e1b4..8cd612b 100644
--- a/classes/Config.php
+++ b/classes/Config.php
@@ -24,84 +24,92 @@ class Config
      *
      * @var string
      */
-    public $youtubedl = 'vendor/ytdl-org/youtube-dl/youtube_dl/__main__.py';
+    public string $youtubedl = 'vendor/yt-dlp/yt-dlp/yt_dlp/__main__.py';
 
     /**
      * python binary path.
      *
      * @var string
      */
-    public $python = '/usr/bin/python';
+    public string $python = '/usr/bin/python';
 
     /**
      * youtube-dl parameters.
      *
      * @var string[]
      */
-    public $params = ['--no-warnings', '--ignore-errors', '--flat-playlist', '--restrict-filenames', '--no-playlist'];
+    public array $params = [
+        '--no-warnings',
+        '--ignore-errors',
+        '--flat-playlist',
+        '--restrict-filenames',
+        '--no-playlist',
+        '--use-extractors',
+        'default,-generic',
+    ];
 
     /**
      * Enable audio conversion.
      *
      * @var bool
      */
-    public $convert = false;
+    public bool $convert = false;
 
     /**
      * Enable advanced conversion mode.
      *
      * @var bool
      */
-    public $convertAdvanced = false;
+    public bool $convertAdvanced = false;
 
     /**
      * List of formats available in advanced conversion mode.
      *
      * @var string[]
      */
-    public $convertAdvancedFormats = ['mp3', 'avi', 'flv', 'wav'];
+    public array $convertAdvancedFormats = ['mp3', 'avi', 'flv', 'wav'];
 
     /**
      * ffmpeg binary path.
      *
      * @var string
      */
-    public $ffmpeg = '/usr/bin/ffmpeg';
+    public string $ffmpeg = '/usr/bin/ffmpeg';
 
     /**
      * Path to the directory that contains the phantomjs binary.
      *
      * @var string
      */
-    public $phantomjsDir = '/usr/bin/';
+    public string $phantomjsDir = '/usr/bin/';
 
     /**
      * Disable URL rewriting.
      *
      * @var bool
      */
-    public $uglyUrls = false;
+    public bool $uglyUrls = false;
 
     /**
      * Stream downloaded files trough server?
      *
      * @var bool
      */
-    public $stream = false;
+    public bool $stream = false;
 
     /**
      * Allow to remux video + audio?
      *
      * @var bool
      */
-    public $remux = false;
+    public bool $remux = false;
 
     /**
      * MP3 bitrate when converting (in kbit/s).
      *
      * @var int
      */
-    public $audioBitrate = 128;
+    public int $audioBitrate = 128;
 
     /**
      * ffmpeg logging level.
@@ -109,21 +117,21 @@ class Config
      *
      * @var string
      */
-    public $ffmpegVerbosity = 'error';
+    public string $ffmpegVerbosity = 'error';
 
     /**
      * App name.
      *
      * @var string
      */
-    public $appName = 'AllTube Download';
+    public string $appName = 'AllTube Download';
 
     /**
      * Generic formats supported by youtube-dl.
      *
      * @var string[]
      */
-    public $genericFormats = [
+    public array $genericFormats = [
         'best/bestvideo' => 'Best',
         'bestvideo+bestaudio' => 'Remux best video with best audio',
         'worst/worstvideo' => 'Worst',
@@ -134,21 +142,21 @@ class Config
      *
      * @var bool
      */
-    public $debug = false;
+    public bool $debug = false;
 
     /**
      * Default to audio.
      *
      * @var bool
      */
-    public $defaultAudio = false;
+    public bool $defaultAudio = false;
 
     /**
      * Disable audio conversion from/to seeker.
      *
      * @var bool
      */
-    public $convertSeek = true;
+    public bool $convertSeek = true;
 
     /**
      * Config constructor.
diff --git a/classes/Controller/BaseController.php b/classes/Controller/BaseController.php
index 9562bc3..ee16653 100644
--- a/classes/Controller/BaseController.php
+++ b/classes/Controller/BaseController.php
@@ -30,21 +30,21 @@ abstract class BaseController
      *
      * @var Video
      */
-    protected $video;
+    protected Video $video;
 
     /**
      * Default youtube-dl format.
      *
      * @var string
      */
-    protected $defaultFormat = 'best/bestvideo';
+    protected string $defaultFormat = 'best/bestvideo';
 
     /**
      * Slim dependency container.
      *
      * @var ContainerInterface
      */
-    protected $container;
+    protected ContainerInterface $container;
 
     /**
      * Config instance.
diff --git a/classes/Locale.php b/classes/Locale.php
index bacfc9d..2510ede 100644
--- a/classes/Locale.php
+++ b/classes/Locale.php
@@ -60,7 +60,7 @@ class Locale
      */
     public function getFullName(): string
     {
-        return PHPLocale::getDisplayName($this->getIso15897(), $this->getIso15897());
+        return mb_convert_case(PHPLocale::getDisplayName($this->getIso15897(), $this->getIso15897()), MB_CASE_TITLE);
     }
 
     /**
diff --git a/classes/LocaleManager.php b/classes/LocaleManager.php
index 0b4c9a2..c8aff44 100644
--- a/classes/LocaleManager.php
+++ b/classes/LocaleManager.php
@@ -27,14 +27,14 @@ class LocaleManager
      *
      * @var Locale|null
      */
-    private $curLocale;
+    private ?Locale $curLocale = null;
 
     /**
      * Session segment used to store session variables.
      *
      * @var Segment
      */
-    private $sessionSegment;
+    private Segment $sessionSegment;
 
     /**
      * Default locale.
@@ -48,7 +48,7 @@ class LocaleManager
      *
      * @var Translator
      */
-    private $translator;
+    private Translator $translator;
 
     /**
      * LocaleManager constructor.
diff --git a/classes/Robo/Plugin/Commands/ReleaseCommand.php b/classes/Robo/Plugin/Commands/ReleaseCommand.php
index c355718..837ac78 100644
--- a/classes/Robo/Plugin/Commands/ReleaseCommand.php
+++ b/classes/Robo/Plugin/Commands/ReleaseCommand.php
@@ -26,6 +26,7 @@ class ReleaseCommand extends Tasks
         $gitTask = $this->taskExec('git');
         $result = $gitTask
             ->arg('describe')
+            ->interactive(false)
             ->run();
 
         $tmpDir = $this->_tmpDir();
diff --git a/classes/Stream/PlaylistArchiveStream.php b/classes/Stream/PlaylistArchiveStream.php
index 58c052f..7f57ecf 100644
--- a/classes/Stream/PlaylistArchiveStream.php
+++ b/classes/Stream/PlaylistArchiveStream.php
@@ -24,7 +24,7 @@ class PlaylistArchiveStream extends ZipArchive implements StreamInterface
      *
      * @var Video[]
      */
-    private $videos = [];
+    private array $videos = [];
 
     /**
      * Stream used to store data before it is sent to the browser.
@@ -38,21 +38,21 @@ class PlaylistArchiveStream extends ZipArchive implements StreamInterface
      *
      * @var StreamInterface
      */
-    protected $curVideoStream;
+    protected StreamInterface $curVideoStream;
 
     /**
      * True if the archive is complete.
      *
      * @var bool
      */
-    private $isComplete = false;
+    private bool $isComplete = false;
 
     /**
      * Downloader object.
      *
      * @var Downloader
      */
-    protected $downloader;
+    protected Downloader $downloader;
 
     /**
      * PlaylistArchiveStream constructor.
diff --git a/classes/Stream/YoutubeChunkStream.php b/classes/Stream/YoutubeChunkStream.php
index 6632eb2..950afae 100644
--- a/classes/Stream/YoutubeChunkStream.php
+++ b/classes/Stream/YoutubeChunkStream.php
@@ -20,7 +20,7 @@ class YoutubeChunkStream implements StreamInterface
      *
      * @var ResponseInterface
      */
-    private $response;
+    private ResponseInterface $response;
 
     /**
      * YoutubeChunkStream constructor.
diff --git a/composer.json b/composer.json
index dfe87f5..c15082c 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     }
   ],
   "require": {
-    "php": ">=7.3",
+    "php": ">=7.4",
     "ext-intl": "*",
     "ext-json": "*",
     "aura/session": "^2.1",
@@ -31,13 +31,13 @@
     "mathmarques/smarty-view": "^1.2",
     "oomphinc/composer-installers-extender": "^2.0",
     "paragonie/csp-builder": "^2.5",
-    "rinvex/countries": "^6.1",
+    "rinvex/countries": "^7.3",
     "rudloff/alltube-library": "^0.1.3",
     "symfony/finder": "^5.4",
     "symfony/translation": "^4.0",
     "symfony/yaml": "^4.0",
     "webfontkit/open-sans": "^1.0",
-    "ytdl-org/youtube-dl": "^2021.12",
+    "yt-dlp/yt-dlp": "^2023.03",
     "zonuexe/http-accept-language": "^0.4.1"
   },
   "require-dev": {
@@ -62,11 +62,11 @@
     {
       "type": "package",
       "package": {
-        "name": "ytdl-org/youtube-dl",
-        "version": "2021.12.17",
+        "name": "yt-dlp/yt-dlp",
+        "version": "2023.03.04",
         "dist": {
           "type": "tar",
-          "url": "https://yt-dl.org/downloads/2021.12.17/youtube-dl-2021.12.17.tar.gz"
+          "url": "https://github.com/yt-dlp/yt-dlp/releases/download/2023.03.04/yt-dlp.tar.gz"
         }
       }
     }
@@ -92,7 +92,7 @@
       "phpro/grumphp": true
     },
     "platform": {
-      "php": "7.3.11"
+      "php": "7.4.33"
     },
     "sort-packages": true
   },
@@ -108,11 +108,7 @@
     "installer-types": [
       "library"
     ],
-    "patches": {
-      "ytdl-org/youtube-dl": {
-        "Disable the generic extractor": "patches/youtube-dl-disable-generic.diff"
-      }
-    }
+    "patches": {}
   },
   "scripts": {
     "lint": "grumphp run --ansi",
diff --git a/composer.lock b/composer.lock
index 85cb4c7..6e91ba8 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "6f7b900aafa876f17e0815ca6fa044a5",
+    "content-hash": "02f288a60af3784e20ca7e1ba9afac4a",
     "packages": [
         {
             "name": "aura/session",
@@ -2037,25 +2037,24 @@
         },
         {
             "name": "rinvex/countries",
-            "version": "v6.1.2",
+            "version": "v7.3.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/rinvex/countries.git",
-                "reference": "0dd9da817c1faa33429fe56b8ba059fdabe6e0fe"
+                "reference": "4696d23976e27d6cedf7e55db3fa24e11924b727"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/rinvex/countries/zipball/0dd9da817c1faa33429fe56b8ba059fdabe6e0fe",
-                "reference": "0dd9da817c1faa33429fe56b8ba059fdabe6e0fe",
+                "url": "https://api.github.com/repos/rinvex/countries/zipball/4696d23976e27d6cedf7e55db3fa24e11924b727",
+                "reference": "4696d23976e27d6cedf7e55db3fa24e11924b727",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.2.0"
+                "php": "^7.4.0 || ^8.0.0"
             },
             "require-dev": {
-                "codedungeon/phpunit-result-printer": "^0.26.0",
-                "laravel/helpers": "^1.1.0",
-                "phpunit/phpunit": "^8.3.0"
+                "codedungeon/phpunit-result-printer": "^0.30.0",
+                "phpunit/phpunit": "^9.5.0"
             },
             "type": "library",
             "extra": {
@@ -2117,7 +2116,7 @@
                 "issues": "https://github.com/rinvex/countries/issues",
                 "source": "https://github.com/rinvex/countries"
             },
-            "time": "2020-03-13T18:04:45+00:00"
+            "time": "2020-12-25T01:36:24+00:00"
         },
         {
             "name": "rudloff/alltube-library",
@@ -3768,11 +3767,11 @@
             "time": "2014-08-20T20:43:34+00:00"
         },
         {
-            "name": "ytdl-org/youtube-dl",
-            "version": "2021.12.17",
+            "name": "yt-dlp/yt-dlp",
+            "version": "2023.03.04",
             "dist": {
                 "type": "tar",
-                "url": "https://yt-dl.org/downloads/2021.12.17/youtube-dl-2021.12.17.tar.gz"
+                "url": "https://github.com/yt-dlp/yt-dlp/releases/download/2023.03.04/yt-dlp.tar.gz"
             },
             "type": "library"
         },
@@ -9354,13 +9353,13 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=7.3",
+        "php": ">=7.4",
         "ext-intl": "*",
         "ext-json": "*"
     },
     "platform-dev": [],
     "platform-overrides": {
-        "php": "7.3.11"
+        "php": "7.4.33"
     },
     "plugin-api-version": "2.3.0"
 }
diff --git a/config/config.example.yml b/config/config.example.yml
index 3ce5614..1ecfbba 100644
--- a/config/config.example.yml
+++ b/config/config.example.yml
@@ -1,6 +1,6 @@
 ---
 # Path to your youtube-dl binary
-youtubedl: vendor/ytdl-org/youtube-dl/youtube_dl/__main__.py
+youtubedl: vendor/yt-dlp/yt-dlp/yt_dlp/__main__.py
 
 # Path to your python binary
 python: /usr/bin/python
@@ -12,6 +12,8 @@ params:
     - --flat-playlist
     - --restrict-filenames
     - --no-playlist
+    - --use-extractors
+    - default,-generic
 
 # True to enable audio conversion
 convert: false
diff --git a/patches/youtube-dl-disable-generic.diff b/patches/youtube-dl-disable-generic.diff
deleted file mode 100644
index f02f6d4..0000000
--- a/patches/youtube-dl-disable-generic.diff
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/youtube_dl/extractor/__init__.py b/youtube_dl/extractor/__init__.py
-index 18d8dbcd6..4d3edfac3 100644
---- a/youtube_dl/extractor/__init__.py
-+++ b/youtube_dl/extractor/__init__.py
-@@ -13,7 +13,6 @@ except ImportError:
-         for name, klass in globals().items()
-         if name.endswith('IE') and name != 'GenericIE'
-     ]
--    _ALL_CLASSES.append(GenericIE)
- 
- 
- def gen_extractor_classes():
diff --git a/templates/inc/header.tpl b/templates/inc/header.tpl
index c93f4d3..bd318e3 100644
--- a/templates/inc/header.tpl
+++ b/templates/inc/header.tpl
@@ -18,7 +18,7 @@
                                 {if $supportedLocale->getCountry()}
                                     {$supportedLocale->getCountry()->getEmoji()}
                                 {/if}
-                                {$supportedLocale->getFullName()|ucfirst}
+                                {$supportedLocale->getFullName()}
                             </a>
                         </li>
                     {/if}
diff --git a/tests/LocaleTest.php b/tests/LocaleTest.php
index e5949d4..0e0167f 100644
--- a/tests/LocaleTest.php
+++ b/tests/LocaleTest.php
@@ -54,7 +54,7 @@ class LocaleTest extends ContainerTest
      */
     public function testGetFullName()
     {
-        $this->assertEquals('français (France)', $this->localeObject->getFullName());
+        $this->assertEquals('Français (France)', $this->localeObject->getFullName());
     }
 
     /**