diff --git a/composer.json b/composer.json
index 9d4e5a8..78c0ca9 100644
--- a/composer.json
+++ b/composer.json
@@ -32,8 +32,8 @@
     "roave/security-advisories": "dev-master",
     "smarty-gettext/smarty-gettext": "^1.6",
     "squizlabs/php_codesniffer": "^3.5",
-    "symfony/debug": "^4.0",
-    "symfony/var-dumper": "^4.0",
+    "symfony/error-handler": "^5.0",
+    "symfony/var-dumper": "^5.0",
     "ytdl-org/youtube-dl": "^2020.03.24"
   },
   "extra": {
diff --git a/composer.lock b/composer.lock
index e749cdf..bbb1e27 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": "0963a360e0cc19e97da7da9b8cad2285",
+    "content-hash": "9860b748974de6e19945cfae8619d223",
     "packages": [
         {
             "name": "aura/session",
@@ -932,16 +932,16 @@
         },
         {
             "name": "psr/log",
-            "version": "1.1.0",
+            "version": "1.1.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/php-fig/log.git",
-                "reference": "6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd"
+                "reference": "0f73288fd15629204f9d42b7055f72dacbe811fc"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/log/zipball/6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd",
-                "reference": "6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd",
+                "url": "https://api.github.com/repos/php-fig/log/zipball/0f73288fd15629204f9d42b7055f72dacbe811fc",
+                "reference": "0f73288fd15629204f9d42b7055f72dacbe811fc",
                 "shasum": ""
             },
             "require": {
@@ -950,7 +950,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "1.1.x-dev"
                 }
             },
             "autoload": {
@@ -975,7 +975,7 @@
                 "psr",
                 "psr-3"
             ],
-            "time": "2018-11-20T15:27:04+00:00"
+            "time": "2020-03-23T09:12:05+00:00"
         },
         {
             "name": "ralouphie/getallheaders",
@@ -5841,38 +5841,37 @@
             "time": "2019-10-28T04:36:32+00:00"
         },
         {
-            "name": "symfony/debug",
-            "version": "v4.4.0",
+            "name": "symfony/error-handler",
+            "version": "v5.0.8",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/debug.git",
-                "reference": "b24b791f817116b29e52a63e8544884cf9a40757"
+                "url": "https://github.com/symfony/error-handler.git",
+                "reference": "949ffc17c3ac3a9f8e6232220e2da33913c04ea4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/debug/zipball/b24b791f817116b29e52a63e8544884cf9a40757",
-                "reference": "b24b791f817116b29e52a63e8544884cf9a40757",
+                "url": "https://api.github.com/repos/symfony/error-handler/zipball/949ffc17c3ac3a9f8e6232220e2da33913c04ea4",
+                "reference": "949ffc17c3ac3a9f8e6232220e2da33913c04ea4",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3",
-                "psr/log": "~1.0"
-            },
-            "conflict": {
-                "symfony/http-kernel": "<3.4"
+                "php": "^7.2.5",
+                "psr/log": "^1.0",
+                "symfony/var-dumper": "^4.4|^5.0"
             },
             "require-dev": {
-                "symfony/http-kernel": "^3.4|^4.0|^5.0"
+                "symfony/http-kernel": "^4.4|^5.0",
+                "symfony/serializer": "^4.4|^5.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.4-dev"
+                    "dev-master": "5.0-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "Symfony\\Component\\Debug\\": ""
+                    "Symfony\\Component\\ErrorHandler\\": ""
                 },
                 "exclude-from-classmap": [
                     "/Tests/"
@@ -5892,38 +5891,37 @@
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony Debug Component",
+            "description": "Symfony ErrorHandler Component",
             "homepage": "https://symfony.com",
-            "time": "2019-11-10T17:54:30+00:00"
+            "time": "2020-03-30T14:14:32+00:00"
         },
         {
             "name": "symfony/var-dumper",
-            "version": "v4.4.0",
+            "version": "v5.0.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-dumper.git",
-                "reference": "eade2890f8b0eeb279b6cf41b50a10007294490f"
+                "reference": "09de28632f16f81058a85fcf318397218272a07b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/eade2890f8b0eeb279b6cf41b50a10007294490f",
-                "reference": "eade2890f8b0eeb279b6cf41b50a10007294490f",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/09de28632f16f81058a85fcf318397218272a07b",
+                "reference": "09de28632f16f81058a85fcf318397218272a07b",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3",
-                "symfony/polyfill-mbstring": "~1.0",
-                "symfony/polyfill-php72": "~1.5"
+                "php": "^7.2.5",
+                "symfony/polyfill-mbstring": "~1.0"
             },
             "conflict": {
-                "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0",
-                "symfony/console": "<3.4"
+                "phpunit/phpunit": "<5.4.3",
+                "symfony/console": "<4.4"
             },
             "require-dev": {
                 "ext-iconv": "*",
-                "symfony/console": "^3.4|^4.0|^5.0",
+                "symfony/console": "^4.4|^5.0",
                 "symfony/process": "^4.4|^5.0",
-                "twig/twig": "^1.34|^2.4|^3.0"
+                "twig/twig": "^2.4|^3.0"
             },
             "suggest": {
                 "ext-iconv": "To convert non-UTF-8 strings to UTF-8 (or symfony/polyfill-iconv in case ext-iconv cannot be used).",
@@ -5936,7 +5934,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.4-dev"
+                    "dev-master": "5.0-dev"
                 }
             },
             "autoload": {
@@ -5970,7 +5968,7 @@
                 "debug",
                 "dump"
             ],
-            "time": "2019-11-12T14:51:11+00:00"
+            "time": "2020-04-12T16:45:47+00:00"
         },
         {
             "name": "theseer/tokenizer",
diff --git a/controllers/FrontController.php b/controllers/FrontController.php
index 0277cbc..01030aa 100644
--- a/controllers/FrontController.php
+++ b/controllers/FrontController.php
@@ -9,14 +9,15 @@ namespace Alltube\Controller;
 use Alltube\Exception\PasswordException;
 use Alltube\Locale;
 use Alltube\Video;
+use Symfony\Component\ErrorHandler\ErrorHandler;
+use Symfony\Component\ErrorHandler\ErrorRenderer\HtmlErrorRenderer;
+use Symfony\Component\ErrorHandler\Exception\FlattenException;
 use Throwable;
 use Exception;
 use Psr\Container\ContainerInterface;
 use Slim\Http\Request;
 use Slim\Http\Response;
 use Slim\Views\Smarty;
-use Symfony\Component\Debug\ExceptionHandler;
-use Symfony\Component\Debug\Exception\FlattenException;
 
 /**
  * Main controller.
@@ -240,9 +241,9 @@ class FrontController extends BaseController
     public function error(Request $request, Response $response, Throwable $error)
     {
         if ($this->config->debug) {
-            $exception = FlattenException::createFromThrowable($error);
-            $handler = new ExceptionHandler();
-            $response->getBody()->write($handler->getHtml($exception));
+            $renderer = new HtmlErrorRenderer(true);
+            $exception = $renderer->render($error);
+            $response->getBody()->write($exception->getAsString());
 
             return $response->withStatus($exception->getStatusCode());
         } else {
diff --git a/index.php b/index.php
index a62d032..a8b3aed 100644
--- a/index.php
+++ b/index.php
@@ -1,6 +1,7 @@
 <?php
 
 require_once __DIR__ . '/vendor/autoload.php';
+
 use Alltube\Config;
 use Alltube\Controller\DownloadController;
 use Alltube\Controller\FrontController;
@@ -11,7 +12,7 @@ use Alltube\UglyRouter;
 use Alltube\ViewFactory;
 use Slim\App;
 use Slim\Container;
-use Symfony\Component\Debug\Debug;
+use Symfony\Component\ErrorHandler\Debug;
 
 if (isset($_SERVER['REQUEST_URI']) && strpos($_SERVER['REQUEST_URI'], '/index.php') !== false) {
     header('Location: ' . str_ireplace('/index.php', '/', $_SERVER['REQUEST_URI']));