diff --git a/application/Espo/Core/Loaders/Log.php b/application/Espo/Core/Loaders/Log.php
index bba598ea51..a72bfef0a8 100644
--- a/application/Espo/Core/Loaders/Log.php
+++ b/application/Espo/Core/Loaders/Log.php
@@ -30,51 +30,22 @@
 namespace Espo\Core\Loaders;
 
 use Espo\Core\{
-    Utils\Config,
+    Log\LogLoader,
     Utils\Log as LogService,
 };
 
-use Espo\Core\Utils\Log\Monolog\Handler\{
-    EspoRotatingFileHandler,
-    EspoFileHandler,
-};
-
-use Monolog\ErrorHandler as MonologErrorHandler;
-
 class Log implements Loader
 {
-    protected $config;
+    protected $logLoader;
 
-    public function __construct(Config $config)
+    public function __construct(LogLoader $logLoader)
     {
-        $this->config = $config;
+        $this->logLoader = $logLoader;
     }
 
     public function load() : LogService
     {
-        $config = $this->config;
-
-        $path = $config->get('logger.path', 'data/logs/espo.log');
-        $rotation = $config->get('logger.rotation', true);
-
-        $log = new LogService('Espo');
-
-        $levelCode = $log::toMonologLevel($config->get('logger.level', 'WARNING'));
-
-        if ($rotation) {
-            $maxFileNumber = $config->get('logger.maxFileNumber', 30);
-
-            $handler = new EspoRotatingFileHandler($path, $maxFileNumber, $levelCode);
-        } else {
-            $handler = new EspoFileHandler($path, $levelCode);
-        }
-
-        $log->pushHandler($handler);
-
-        $errorHandler = new MonologErrorHandler($log);
-
-        $errorHandler->registerExceptionHandler(null, false);
-        $errorHandler->registerErrorHandler([], false);
+        $log = $this->logLoader->load();
 
         $GLOBALS['log'] = $log;
 
diff --git a/application/Espo/Core/Log/DefaultHandlerLoader.php b/application/Espo/Core/Log/DefaultHandlerLoader.php
new file mode 100644
index 0000000000..17285b1a18
--- /dev/null
+++ b/application/Espo/Core/Log/DefaultHandlerLoader.php
@@ -0,0 +1,115 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Log;
+
+use Monolog\{
+    Logger,
+    Handler\HandlerInterface,
+    Formatter\FormatterInterface,
+};
+
+use ReflectionClass;
+use ReflectionMethod;
+use RuntimeException;
+
+class DefaultHandlerLoader
+{
+    public function load(array $data, ?string $defaultLevel = null) : HandlerInterface
+    {
+        $params = $data['params'] ?? [];
+
+        $level = $data['level'] ?? $defaultLevel;
+
+        if ($level) {
+            $params['level'] = Logger::toMonologLevel($level);
+        }
+
+        $className = $data['className'] ?? null;
+
+        if (!$className) {
+            throw new RuntimeException("Log handler does not have className specified.");
+        }
+
+        $handler = $this->createInstance($className, $params);
+
+        $formatter = $this->loadFormatter($data);
+
+        if ($formatter) {
+            $handler->setFormatter($formatter);
+        }
+
+        return $handler;
+    }
+
+    protected function loadFormatter(array $data) : ?FormatterInterface
+    {
+        $formatterData = $data['formatter'] ?? null;
+
+        if (!$formatterData || !is_array($formatterData)) {
+            return null;
+        }
+
+        $className = $formatterData['className'] ?? null;
+
+        if (!$className) {
+            return null;
+        }
+
+        $params = $formatterData['params'] ?? [];
+
+        return $this->createInstance($className, $params);
+    }
+
+    protected function createInstance(string $className, array $params) : object
+    {
+        $class = new ReflectionClass($className);
+
+        $constructor = $class->getConstructor();
+
+        $argumentList = [];
+
+        foreach ($constructor->getParameters() as $parameter) {
+            $name = $parameter->getName();
+
+            if (array_key_exists($name, $params)) {
+                $value = $params[$name];
+            }
+            else if ($parameter->isDefaultValueAvailable()) {
+                $value = $parameter->getDefaultValue();
+            } else {
+                continue;
+            }
+
+            $argumentList[] = $value;
+        }
+
+        return $class->newInstanceArgs($argumentList);
+    }
+}
diff --git a/application/Espo/Core/Log/EspoRotatingFileHandlerLoader.php b/application/Espo/Core/Log/EspoRotatingFileHandlerLoader.php
new file mode 100644
index 0000000000..1524770e18
--- /dev/null
+++ b/application/Espo/Core/Log/EspoRotatingFileHandlerLoader.php
@@ -0,0 +1,50 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Log;
+
+use Espo\Core\{
+    Log\Handler\EspoRotatingFileHandler,
+};
+
+use Monolog\{
+    Logger,
+    Handler\HandlerInterface,
+};
+
+class EspoRotatingFileHandlerLoader implements HandlerLoader
+{
+    public function load(array $params) : HandlerInterface
+    {
+        $filename = $params['filename'] ?? 'data/logs/espo.log';
+        $level = $params['level'] ?? Logger::NOTICE;
+
+        return new EspoRotatingFileHandler($filename, 0, $level);
+    }
+}
diff --git a/application/Espo/Core/Utils/Log/Monolog/Handler/EspoFileHandler.php b/application/Espo/Core/Log/Handler/EspoFileHandler.php
similarity index 77%
rename from application/Espo/Core/Utils/Log/Monolog/Handler/EspoFileHandler.php
rename to application/Espo/Core/Log/Handler/EspoFileHandler.php
index 8618760739..2c19f70f39 100644
--- a/application/Espo/Core/Utils/Log/Monolog/Handler/EspoFileHandler.php
+++ b/application/Espo/Core/Log/Handler/EspoFileHandler.php
@@ -27,10 +27,12 @@
  * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
  ************************************************************************/
 
-namespace Espo\Core\Utils\Log\Monolog\Handler;
+namespace Espo\Core\Log\Handler;
 
-use Monolog\Logger;
-use Monolog\Handler\StreamHandler as MonologStreamHandler;
+use Monolog\{
+    Logger,
+    Handler\StreamHandler as MonologStreamHandler,
+};
 
 use Espo\Core\Utils\File\Manager as FileManager;
 
@@ -43,43 +45,38 @@ class EspoFileHandler extends MonologStreamHandler
 
     protected $maxErrorMessageLength = 5000;
 
-    public function __construct($url, $level = Logger::DEBUG, $bubble = true)
+    public function __construct(string $filename, $level = Logger::DEBUG, bool $bubble = true)
     {
-        parent::__construct($url, $level, $bubble);
+        parent::__construct($filename, $level, $bubble);
 
         $this->fileManager = new FileManager();
     }
 
-    protected function getFileManager()
-    {
-        return $this->fileManager;
-    }
-
-    protected function write(array $record)
+    protected function write(array $record): void
     {
         if (!$this->url) {
             throw new LogicException(
-                'Missing logger path, the stream can not be opened. Please check logger options in the data/config.php.'
+                'Missing logger path. Check logger params in the data/config.php.'
             );
         }
 
         $this->errorMessage = null;
 
         if (!is_writable($this->url)) {
-            $this->getFileManager()->checkCreateFile($this->url);
+            $this->fileManager->checkCreateFile($this->url);
         }
 
         if (is_writable($this->url)) {
             set_error_handler([$this, 'customErrorHandler']);
 
-            $this->getFileManager()->appendContents($this->url, $this->pruneMessage($record));
+            $this->fileManager->appendContents($this->url, $this->pruneMessage($record));
 
             restore_error_handler();
         }
 
         if (isset($this->errorMessage)) {
             throw new UnexpectedValueException(
-                sprintf('The stream or file "%s" could not be opened: '.$this->errorMessage, $this->url)
+                sprintf('File "%s" could not be opened: ' . $this->errorMessage, $this->url)
             );
         }
     }
@@ -100,4 +97,4 @@ class EspoFileHandler extends MonologStreamHandler
 
         return (string) $record['formatted'];
     }
-}
\ No newline at end of file
+}
diff --git a/application/Espo/Core/Utils/Log/Monolog/Handler/EspoRotatingFileHandler.php b/application/Espo/Core/Log/Handler/EspoRotatingFileHandler.php
similarity index 84%
rename from application/Espo/Core/Utils/Log/Monolog/Handler/EspoRotatingFileHandler.php
rename to application/Espo/Core/Log/Handler/EspoRotatingFileHandler.php
index 81b88373a0..e8a89f2a7a 100644
--- a/application/Espo/Core/Utils/Log/Monolog/Handler/EspoRotatingFileHandler.php
+++ b/application/Espo/Core/Log/Handler/EspoRotatingFileHandler.php
@@ -27,7 +27,7 @@
  * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
  ************************************************************************/
 
-namespace Espo\Core\Utils\Log\Monolog\Handler;
+namespace Espo\Core\Log\Handler;
 
 use Monolog\Logger;
 
@@ -41,7 +41,7 @@ class EspoRotatingFileHandler extends EspoFileHandler
 
     protected $maxFiles;
 
-    public function __construct($filename, $maxFiles = 0, $level = Logger::DEBUG, $bubble = true)
+    public function __construct(string $filename, int $maxFiles = 0, $level = Logger::DEBUG, bool $bubble = true)
     {
         $this->filename = $filename;
         $this->maxFiles = (int) $maxFiles;
@@ -51,12 +51,6 @@ class EspoRotatingFileHandler extends EspoFileHandler
         $this->rotate();
     }
 
-    public function setFilenameFormat($filenameFormat, $dateFormat)
-    {
-        $this->filenameFormat = $filenameFormat;
-        $this->dateFormat = $dateFormat;
-    }
-
     protected function rotate()
     {
         if (0 === $this->maxFiles) {
@@ -64,18 +58,17 @@ class EspoRotatingFileHandler extends EspoFileHandler
         }
 
         $filePattern = $this->getFilePattern();
-        $dirPath = $this->getFileManager()->getDirName($this->filename);
-        $logFiles = $this->getFileManager()->getFileList($dirPath, false, $filePattern, true);
+        $dirPath = $this->fileManager->getDirName($this->filename);
+        $logFiles = $this->fileManager->getFileList($dirPath, false, $filePattern, true);
 
         if (!empty($logFiles) && count($logFiles) > $this->maxFiles) {
-
             usort($logFiles, function ($a, $b) {
                 return strcmp($b, $a);
             });
 
             $logFilesToBeRemoved = array_slice($logFiles, $this->maxFiles);
 
-            $this->getFileManager()->removeFile($logFilesToBeRemoved, $dirPath);
+            $this->fileManager->removeFile($logFilesToBeRemoved, $dirPath);
         }
     }
 
@@ -114,4 +107,4 @@ class EspoRotatingFileHandler extends EspoFileHandler
 
         return $glob;
     }
-}
\ No newline at end of file
+}
diff --git a/application/Espo/Core/Log/HandlerListLoader.php b/application/Espo/Core/Log/HandlerListLoader.php
new file mode 100644
index 0000000000..c5b666daf6
--- /dev/null
+++ b/application/Espo/Core/Log/HandlerListLoader.php
@@ -0,0 +1,92 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Log;
+
+use Monolog\{
+    Logger,
+    Handler\HandlerInterface,
+    Formatter\FormatterInterface,
+};
+
+use Espo\Core\InjectableFactory;
+
+class HandlerListLoader
+{
+    protected $injectableFactory;
+    protected $defaultLoader;
+
+    public function __construct(InjectableFactory $injectableFactory, DefaultHandlerLoader $defaultLoader)
+    {
+        $this->injectableFactory = $injectableFactory;
+        $this->defaultLoader = $defaultLoader;
+    }
+
+    public function load(array $dataList, ?string $defaultLevel = null) : array
+    {
+        $handlerList = [];
+
+        foreach ($dataList as $item) {
+            $handler = $this->loadHandler($item, $defaultLevel);
+
+            if (!$handler) {
+                continue;
+            }
+
+            $handlerList[] = $handler;
+        }
+
+        return $handlerList;
+    }
+
+    protected function loadHandler(array $data, ?string $defaultLevel = null) : ?HandlerInterface
+    {
+        $params = $data['params'] ?? [];
+
+        $level = $data['level'] ?? $defaultLevel;
+
+        if ($level) {
+            $params['level'] = Logger::toMonologLevel($level);
+        }
+
+        $loaderClassName = $data['loaderClassName'] ?? null;
+
+        if ($loaderClassName) {
+            $loader = $this->injectableFactory->create($loaderClassName);
+
+            $handler = $loader->load($params);
+
+            return $handler;
+        }
+
+        $handler = $this->defaultLoader->load($data, $defaultLevel);
+
+        return $handler;
+    }
+}
diff --git a/application/Espo/Core/Log/HandlerLoader.php b/application/Espo/Core/Log/HandlerLoader.php
new file mode 100644
index 0000000000..4c0fedd4f4
--- /dev/null
+++ b/application/Espo/Core/Log/HandlerLoader.php
@@ -0,0 +1,39 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Log;
+
+use Monolog\{
+    Handler\HandlerInterface,
+};
+
+interface HandlerLoader
+{
+    public function load(array $params) : HandlerInterface;
+}
diff --git a/application/Espo/Core/Log/LogLoader.php b/application/Espo/Core/Log/LogLoader.php
new file mode 100644
index 0000000000..fe234525e6
--- /dev/null
+++ b/application/Espo/Core/Log/LogLoader.php
@@ -0,0 +1,125 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Log;
+
+use Espo\Core\{
+    InjectableFactory,
+    Utils\Config,
+    Utils\Log,
+    Log\HandlerListLoader,
+    Log\Handler\EspoRotatingFileHandler,
+    Log\Handler\EspoFileHandler,
+};
+
+use Monolog\{
+    Logger,
+    ErrorHandler as MonologErrorHandler,
+    Formatter\LineFormatter,
+    Handler\HandlerInterface,
+};
+
+class LogLoader
+{
+    const LINE_FORMAT = "[%datetime%] %level_name%: %message% %context% %extra%\n";
+
+    const DATE_FORMAT = 'Y-m-d H:i:s';
+
+    const PATH = 'data/logs/espo.log';
+
+    const MAX_FILE_NUMBER = 30;
+
+    const DEFAULT_LEVEL = 'WARNING';
+
+    protected $config;
+    protected $injectableFactory;
+
+    public function __construct(Config $config, InjectableFactory $injectableFactory)
+    {
+        $this->config = $config;
+        $this->injectableFactory = $injectableFactory;
+    }
+
+    public function load() : Log
+    {
+        $log = new Log('Espo');
+
+        $handlerDataList = $this->config->get('logger.handlerList') ?? null;
+
+        if ($handlerDataList) {
+            $level = $this->config->get('logger.level');
+
+            $loader = $this->injectableFactory->create(HandlerListLoader::class);
+
+            $handlerList = $loader->load($handlerDataList, $level);
+        }
+        else {
+            $handler = $this->createDefaultHandler();
+
+            $handlerList = [$handler];
+        }
+
+        foreach ($handlerList as $handler) {
+            $log->pushHandler($handler);
+        }
+
+        $errorHandler = new MonologErrorHandler($log);
+
+        $errorHandler->registerExceptionHandler(null, false);
+        $errorHandler->registerErrorHandler([], false);
+
+        return $log;
+    }
+
+    protected function createDefaultHandler() : HandlerInterface
+    {
+        $path = $this->config->get('logger.path') ?? self::PATH;
+        $rotation = $this->config->get('logger.rotation') ?? true;
+        $level = $this->config->get('logger.level') ?? self::DEFAULT_LEVEL;
+
+        $levelCode = Logger::toMonologLevel($level);
+
+        if ($rotation) {
+            $maxFileNumber = $this->config->get('logger.maxFileNumber') ?? self::MAX_FILE_NUMBER;
+
+            $handler = new EspoRotatingFileHandler($path, $maxFileNumber, $levelCode);
+        } else {
+            $handler = new EspoFileHandler($path, $levelCode);
+        }
+
+        $formatter = new LineFormatter(
+            self::LINE_FORMAT,
+            self::DATE_FORMAT
+        );
+
+        $handler->setFormatter($formatter);
+
+        return $handler;
+    }
+}
diff --git a/composer.json b/composer.json
index 3fc0b6e5fa..8dd1374237 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
         "laminas/laminas-ldap": "2.*",
         "laminas/laminas-mime": "^2.7.1",
         "laminas/laminas-stdlib": "^3.1",
-        "monolog/monolog": "1.*",
+        "monolog/monolog": "2.*",
         "yzalis/identicon": "*",
         "zordius/lightncandy": "1.*",
         "composer/semver": "^3",
diff --git a/composer.lock b/composer.lock
index 1b38412511..d7a3ec7063 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,10 +1,10 @@
 {
     "_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#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "f4230248c7de33c9a74a7fc1c6592a5c",
+    "content-hash": "e164d331463e4b99a826e2bab0006784",
     "packages": [
         {
             "name": "cboden/ratchet",
@@ -119,6 +119,20 @@
                 "validation",
                 "versioning"
             ],
+            "funding": [
+                {
+                    "url": "https://packagist.com",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/composer",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/composer/composer",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2020-05-26T18:22:04+00:00"
         },
         {
@@ -670,6 +684,12 @@
                 "cron",
                 "schedule"
             ],
+            "funding": [
+                {
+                    "url": "https://github.com/dragonmantank",
+                    "type": "github"
+                }
+            ],
             "time": "2020-08-21T02:30:13+00:00"
         },
         {
@@ -1453,55 +1473,58 @@
         },
         {
             "name": "monolog/monolog",
-            "version": "1.20.0",
+            "version": "2.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Seldaek/monolog.git",
-                "reference": "55841909e2bcde01b5318c35f2b74f8ecc86e037"
+                "reference": "f9eee5cec93dfb313a38b6b288741e84e53f02d5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Seldaek/monolog/zipball/55841909e2bcde01b5318c35f2b74f8ecc86e037",
-                "reference": "55841909e2bcde01b5318c35f2b74f8ecc86e037",
+                "url": "https://api.github.com/repos/Seldaek/monolog/zipball/f9eee5cec93dfb313a38b6b288741e84e53f02d5",
+                "reference": "f9eee5cec93dfb313a38b6b288741e84e53f02d5",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.0",
-                "psr/log": "~1.0"
+                "php": ">=7.2",
+                "psr/log": "^1.0.1"
             },
             "provide": {
                 "psr/log-implementation": "1.0.0"
             },
             "require-dev": {
-                "aws/aws-sdk-php": "^2.4.9",
+                "aws/aws-sdk-php": "^2.4.9 || ^3.0",
                 "doctrine/couchdb": "~1.0@dev",
-                "graylog2/gelf-php": "~1.0",
-                "jakub-onderka/php-parallel-lint": "0.9",
+                "elasticsearch/elasticsearch": "^6.0",
+                "graylog2/gelf-php": "^1.4.2",
                 "php-amqplib/php-amqplib": "~2.4",
                 "php-console/php-console": "^3.1.3",
-                "phpunit/phpunit": "~4.5",
-                "phpunit/phpunit-mock-objects": "2.3.0",
+                "php-parallel-lint/php-parallel-lint": "^1.0",
+                "phpspec/prophecy": "^1.6.1",
+                "phpunit/phpunit": "^8.5",
+                "predis/predis": "^1.1",
+                "rollbar/rollbar": "^1.3",
                 "ruflin/elastica": ">=0.90 <3.0",
-                "sentry/sentry": "^0.13",
-                "swiftmailer/swiftmailer": "~5.3"
+                "swiftmailer/swiftmailer": "^5.3|^6.0"
             },
             "suggest": {
                 "aws/aws-sdk-php": "Allow sending log messages to AWS services like DynamoDB",
                 "doctrine/couchdb": "Allow sending log messages to a CouchDB server",
+                "elasticsearch/elasticsearch": "Allow sending log messages to an Elasticsearch server via official client",
                 "ext-amqp": "Allow sending log messages to an AMQP server (1.0+ required)",
-                "ext-mongo": "Allow sending log messages to a MongoDB server",
+                "ext-mbstring": "Allow to work properly with unicode symbols",
+                "ext-mongodb": "Allow sending log messages to a MongoDB server (via driver)",
                 "graylog2/gelf-php": "Allow sending log messages to a GrayLog2 server",
-                "mongodb/mongodb": "Allow sending log messages to a MongoDB server via PHP Driver",
+                "mongodb/mongodb": "Allow sending log messages to a MongoDB server (via library)",
                 "php-amqplib/php-amqplib": "Allow sending log messages to an AMQP server using php-amqplib",
                 "php-console/php-console": "Allow sending log messages to Google Chrome",
                 "rollbar/rollbar": "Allow sending log messages to Rollbar",
-                "ruflin/elastica": "Allow sending log messages to an Elastic Search server",
-                "sentry/sentry": "Allow sending log messages to a Sentry server"
+                "ruflin/elastica": "Allow sending log messages to an Elastic Search server"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "2.x-dev"
                 }
             },
             "autoload": {
@@ -1527,7 +1550,17 @@
                 "logging",
                 "psr-3"
             ],
-            "time": "2016-07-02T14:02:10+00:00"
+            "funding": [
+                {
+                    "url": "https://github.com/Seldaek",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/monolog/monolog",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-07-23T08:41:23+00:00"
         },
         {
             "name": "nesbot/carbon",
@@ -2813,6 +2846,16 @@
                 "micro",
                 "router"
             ],
+            "funding": [
+                {
+                    "url": "https://opencollective.com/slimphp",
+                    "type": "open_collective"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/slim/slim",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2020-04-14T20:49:48+00:00"
         },
         {
@@ -2922,6 +2965,20 @@
             ],
             "description": "Symfony HttpFoundation Component",
             "homepage": "https://symfony.com",
+            "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": "2020-03-30T14:07:33+00:00"
         },
         {
@@ -4545,16 +4602,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "8.5.3",
+            "version": "8.5.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "67750516bc02f300e2742fed2f50177f8f37bedf"
+                "reference": "34c18baa6a44f1d1fbf0338907139e9dce95b997"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/67750516bc02f300e2742fed2f50177f8f37bedf",
-                "reference": "67750516bc02f300e2742fed2f50177f8f37bedf",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/34c18baa6a44f1d1fbf0338907139e9dce95b997",
+                "reference": "34c18baa6a44f1d1fbf0338907139e9dce95b997",
                 "shasum": ""
             },
             "require": {
@@ -4624,7 +4681,17 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2020-03-31T08:52:04+00:00"
+            "funding": [
+                {
+                    "url": "https://phpunit.de/donate.html",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-06-22T07:06:58+00:00"
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",
@@ -5407,5 +5474,6 @@
         "ext-curl": "*",
         "ext-exif": "*"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "1.1.0"
 }
diff --git a/tests/unit/Espo/Core/Log/HandlerListLoaderTest.php b/tests/unit/Espo/Core/Log/HandlerListLoaderTest.php
new file mode 100644
index 0000000000..a84b7ec9ea
--- /dev/null
+++ b/tests/unit/Espo/Core/Log/HandlerListLoaderTest.php
@@ -0,0 +1,125 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace tests\unit\Espo\Core\Console;
+
+use Espo\Core\{
+    InjectableFactory,
+    Log\HandlerListLoader,
+    Log\EspoRotatingFileHandlerLoader,
+    Log\DefaultHandlerLoader,
+    Log\Handler\EspoRotatingFileHandler,
+};
+
+use Monolog\{
+    Logger,
+};
+
+class HandlerListLoaderTest extends \PHPUnit\Framework\TestCase
+{
+    protected function setUp() : void
+    {
+        $this->injectableFactory = $this->getMockBuilder(InjectableFactory::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+    }
+
+    public function testLoad1()
+    {
+        $defaultLoader = $this->getMockBuilder(DefaultHandlerLoader::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $listLoader = new HandlerListLoader($this->injectableFactory, $defaultLoader);
+
+        $dataList =  [
+            [
+                'className' => 'Espo\\Core\\Log\\Handler\\EspoRotatingFileHandler',
+                'params' => [
+                    'filename' => 'data/logs/test-1.log',
+                ],
+                'level' => 'DEBUG',
+                    'formatter' => [
+                        'className' => 'Monolog\\Formatter\\LineFormatter',
+                        'params' => [
+                        'dateFormat' => 'Y-m-d H:i:s',
+                    ],
+                ]
+            ],
+            [
+            'loaderClassName' => EspoRotatingFileHandlerLoader::class,
+                'params' => [
+                    'filename' => 'data/logs/test-2.log',
+                ],
+                'level' => 'NOTICE',
+            ],
+        ];
+
+        $handler1 = $this->getMockBuilder(EspoRotatingFileHandler::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $defaultLoader
+            ->expects($this->once())
+            ->method('load')
+            ->with($dataList[0], 'NOTICE')
+            ->willReturn($handler1);
+
+        $loader = $this->getMockBuilder(EspoRotatingFileHandlerLoader::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $handler = $this->getMockBuilder(EspoRotatingFileHandler::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $this->injectableFactory
+            ->expects($this->once())
+            ->method('create')
+            ->with(EspoRotatingFileHandlerLoader::class)
+            ->willReturn($loader);
+
+        $params = [
+            'filename' => 'data/logs/test-2.log',
+            'level' => Logger::NOTICE,
+        ];
+
+        $loader
+            ->expects($this->once())
+            ->method('load')
+            ->with($params)
+            ->willReturn($handler);
+
+        $list = $listLoader->load($dataList, 'NOTICE');
+
+        $this->assertEquals(2, count($list));
+
+        $this->assertInstanceOf(EspoRotatingFileHandler::class, $list[0]);
+    }
+}