diff --git a/.gitignore b/.gitignore
index a09c56d..c1759d2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /.idea
+vendor/
diff --git a/composer.json b/composer.json
index 824066e..f56dcf6 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,9 @@
   "minimum-stability": "dev",
   "require": {
     "php": ">=5.4.0",
-    "pelago/emogrifier": "^2.0.0"
+    "pelago/emogrifier": "^5.0.0",
+    "ext-dom": "*",
+    "ext-fileinfo": "*"
   },
 
   "autoload": {
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..dd840b2
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,165 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "286f06695a694fc254cbf565c3110639",
+    "packages": [
+        {
+            "name": "pelago/emogrifier",
+            "version": "v5.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/MyIntervals/emogrifier.git",
+                "reference": "37595a9bb62c3c25969bdd9e8d7dd24c3ac62bc9"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/MyIntervals/emogrifier/zipball/37595a9bb62c3c25969bdd9e8d7dd24c3ac62bc9",
+                "reference": "37595a9bb62c3c25969bdd9e8d7dd24c3ac62bc9",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "ext-libxml": "*",
+                "php": "~7.1.0 || ~7.2.0 || ~7.3.0 || ~7.4.0 || ~8.0.0",
+                "symfony/css-selector": "^3.4.32 || ^4.4 || ^5.1"
+            },
+            "require-dev": {
+                "php-parallel-lint/php-parallel-lint": "^1.2.0",
+                "rawr/cross-data-providers": "^2.3.0",
+                "slevomat/coding-standard": "^6.4.1",
+                "squizlabs/php_codesniffer": "^3.5.8"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "6.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Pelago\\Emogrifier\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Oliver Klee",
+                    "email": "github@oliverklee.de"
+                },
+                {
+                    "name": "Zoli Szabó",
+                    "email": "zoli.szabo+github@gmail.com"
+                },
+                {
+                    "name": "John Reeve",
+                    "email": "jreeve@pelagodesign.com"
+                },
+                {
+                    "name": "Jake Hotson",
+                    "email": "jake@qzdesign.co.uk"
+                },
+                {
+                    "name": "Cameron Brooks"
+                },
+                {
+                    "name": "Jaime Prado"
+                }
+            ],
+            "description": "Converts CSS styles into inline style attributes in your HTML code",
+            "homepage": "https://www.myintervals.com/emogrifier.php",
+            "keywords": [
+                "css",
+                "email",
+                "pre-processing"
+            ],
+            "support": {
+                "issues": "https://github.com/MyIntervals/emogrifier/issues",
+                "source": "https://github.com/MyIntervals/emogrifier"
+            },
+            "time": "2021-04-06T08:18:22+00:00"
+        },
+        {
+            "name": "symfony/css-selector",
+            "version": "5.x-dev",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/css-selector.git",
+                "reference": "59a684f5ac454f066ecbe6daecce6719aed283fb"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/css-selector/zipball/59a684f5ac454f066ecbe6daecce6719aed283fb",
+                "reference": "59a684f5ac454f066ecbe6daecce6719aed283fb",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2.5"
+            },
+            "default-branch": true,
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\CssSelector\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Jean-François Simon",
+                    "email": "jeanfrancois.simon@sensiolabs.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Converts CSS selectors to XPath expressions",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/css-selector/tree/v5.3.0-BETA1"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-04-07T16:07:52+00:00"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "dev",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": {
+        "php": ">=5.4.0"
+    },
+    "platform-dev": [],
+    "plugin-api-version": "2.0.0"
+}
diff --git a/src/Html.php b/src/Html.php
index 37bbd69..eeed013 100644
--- a/src/Html.php
+++ b/src/Html.php
@@ -10,7 +10,7 @@
 
 use DOMDocument;
 use DOMXPath;
-use Pelago\Emogrifier;
+use Pelago\Emogrifier\CssInliner;
 
 /**
  * This class creates a collection of html pages with some improvements.
@@ -30,7 +30,7 @@ class Html extends Base
         'outputDir' => ''
     ];
 
-    public function __construct($options=[])
+    public function __construct($options = [])
     {
         $this->setOptions(array_replace_recursive($this->defaultOptions, $options));
     }
@@ -81,12 +81,12 @@ public function getAllPages()
      * The method replaces css class to inline css rules.
      * @param $content
      * @return string
+     * @throws \Symfony\Component\CssSelector\Exception\ParseException
      */
     private function setInlineCss($content)
     {
         $content = str_replace(['<!--', '-->'], '', $content);
-        $parser = new Emogrifier($content);
-        return $parser->emogrify();
+        return CssInliner::fromHtml($content)->inlineCss()->render();
     }
 
     /**
@@ -102,7 +102,8 @@ private function setInlineImages($content)
         $xpath->registerNamespace("xml", "http://www.w3.org/1999/xhtml");
 
         $images = $xpath->query("//img");
-        foreach ($images as $img) { /** @var \DOMNode $img  */
+        foreach ($images as $img) {
+            /** @var \DOMNode $img */
             $attrImage = $img->getAttribute('src');
             $pi = pathinfo($attrImage);
             $image = $this->getOutputDir() . '/' . $pi['basename'];
@@ -128,7 +129,7 @@ private function setOnlyContent($content)
 
         $html = '';
         $body = $xpath->query("//body")->item(0);
-        foreach($body->childNodes as $node) {
+        foreach ($body->childNodes as $node) {
             $html .= $dom->saveHTML($node);
         }
         unset($dom, $xpath, $body, $content);