diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2b74e5f..bdbaae3 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,7 +3,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/php:7.1-node-browsers
+      - image: circleci/php:7.3-node-browsers
 
     working_directory: ~/magento
 
@@ -13,22 +13,22 @@ jobs:
             name: Setup test environment
             command: |
                   sudo apt-get install -y libpng-dev
-                  sudo docker-php-ext-install gd
-                  sudo docker-php-ext-install bcmath
+                  sudo -E docker-php-ext-install gd
+                  sudo -E docker-php-ext-install bcmath
                   sudo apt-get install -y libmcrypt-dev
-                  sudo docker-php-ext-install mcrypt
                   sudo apt-get install -y libxslt-dev
-                  sudo docker-php-ext-install xsl
-                  sudo docker-php-ext-install pdo_mysql
-                  sudo docker-php-ext-install soap
+                  sudo -E docker-php-ext-install xsl
+                  sudo -E docker-php-ext-install pdo_mysql
+                  sudo -E docker-php-ext-install soap
     - run:
             name: Setup composer details
             command: |
+                  export COMPOSER_MEMORY_LIMIT=-1
                   sudo composer self-update
                   mkdir ~/.composer
                   touch ~/.composer/auth.json
                   echo "{\"http-basic\":{\"repo.magento.com\":{\"username\":\"${MAGENTO_KEY}\",\"password\":\"${MAGENTO_SECRET}\"}}}" > ~/.composer/auth.json
-                  composer create-project --repository-url=https://repo.magento.com/ magento/project-community-edition . 2.3.0
+                  composer create-project --repository-url=https://repo.magento.com/ magento/project-community-edition . 2.3.4
                   composer require mpdf/mpdf
                   composer require eadesignro/module-eacore
                   mkdir -p app/code/Eadesigndev/Pdfgenerator
@@ -43,4 +43,4 @@ jobs:
                   composer create-project --repository=https://repo.magento.com magento/marketplace-eqp magento-coding-standard
                   php magento-coding-standard/vendor/bin/phpcs --standard=app/code/Eadesigndev/Pdfgenerator/Test/Php/_files/phpcs/ruleset.xml app/code/Eadesigndev/Pdfgenerator/Api/ app/code/Eadesigndev/Pdfgenerator/Block/ app/code/Eadesigndev/Pdfgenerator/Controller/ app/code/Eadesigndev/Pdfgenerator/Helper/ app/code/Eadesigndev/Pdfgenerator/Model/ app/code/Eadesigndev/Pdfgenerator/Setup/ app/code/Eadesigndev/Pdfgenerator/Test/ app/code/Eadesigndev/Pdfgenerator/Ui/ app/code/Eadesigndev/Pdfgenerator/view/
                   php vendor/bin/phpmd app/code/Eadesigndev/Pdfgenerator/Api/,app/code/Eadesigndev/Pdfgenerator/Block/,app/code/Eadesigndev/Pdfgenerator/Controller/,app/code/Eadesigndev/Pdfgenerator/Helper/,app/code/Eadesigndev/Pdfgenerator/Model/,app/code/Eadesigndev/Pdfgenerator/Setup/,app/code/Eadesigndev/Pdfgenerator/Ui/,app/code/Eadesigndev/Pdfgenerator/view/ text  app/code/Eadesigndev/Pdfgenerator/Test/Php/_files/phpmd/ruleset.xml
-                  php vendor/bin/phpunit app/code/Eadesigndev/Pdfgenerator/Test/ --config dev/tests/unit/phpunit.xml.dist --coverage-clover=app/code/Eadesigndev/Pdfgenerator/build/logs/clover.xml
\ No newline at end of file
+                  php vendor/bin/phpunit app/code/Eadesigndev/Pdfgenerator/Test/ --config dev/tests/unit/phpunit.xml.dist --coverage-clover=app/code/Eadesigndev/Pdfgenerator/build/logs/clover.xml
diff --git a/Model/Email/Message.php b/Model/Email/Message.php
index cf0fda0..b91e58c 100644
--- a/Model/Email/Message.php
+++ b/Model/Email/Message.php
@@ -21,7 +21,7 @@ class Message extends \Magento\Framework\Mail\Message implements MailMessageInte
 
     private $mimeMessageFactory;
 
-    private $zendMessage;
+    protected $zendMessage;
 
     private $attachment;
 
diff --git a/composer.json b/composer.json
index 31dacd3..94c9601 100644
--- a/composer.json
+++ b/composer.json
@@ -1,52 +1,52 @@
-{
-  "name": "eadesignro/module-pdfgenerator",
-  "description": "The best pdf generator for Magento. EaDesign PDF Generator",
-  "type": "magento2-module",
-  "version": "1.2.9",
-  "autoload": {
-    "files": [
-      "registration.php"
-    ],
-    "psr-4": {
-      "Eadesigndev\\Pdfgenerator\\": ""
-    }
-  },
-  "repositories": [
-    {
-      "type": "composer",
-      "url": "https://repo.magento.com/"
-    }
-  ],
-  "license": [
-    "Apache-2.0"
-  ],
-  "authors": [
-    {
-      "name": "EaDesign",
-      "email": "office@eadesign.ro",
-      "homepage": "https://www.eadesign.ro/",
-      "role": "Developer"
-    }
-  ],
-  "require": {
-    "php": "~7.1.3|~7.2.0",
-    "magento/module-backend": "101.0.*",
-    "magento/module-sales": "102.0.*",
-    "magento/framework": "~102.0.1",
-    "eadesignro/module-eacore": "^0.2.10",
-    "mpdf/mpdf": "7.1.*"
-  },
-  "require-dev": {
-    "friendsofphp/php-cs-fixer": "~2.13.0",
-    "lusitanian/oauth": "~0.8.10",
-    "magento/magento2-functional-testing-framework": "2.3.9",
-    "pdepend/pdepend": "2.5.2",
-    "phpmd/phpmd": "@stable",
-    "phpunit/phpunit": "~6.5.0",
-    "sebastian/phpcpd": "~3.0.0",
-    "squizlabs/php_codesniffer": "3.3.1"
-  },
-  "minimum-stability": "dev",
-  "prefer-stable": true
-}
-
+{
+  "name": "eadesignro/module-pdfgenerator",
+  "description": "The best pdf generator for Magento. EaDesign PDF Generator",
+  "type": "magento2-module",
+  "version": "1.2.10",
+  "autoload": {
+    "files": [
+      "registration.php"
+    ],
+    "psr-4": {
+      "Eadesigndev\\Pdfgenerator\\": ""
+    }
+  },
+  "repositories": [
+    {
+      "type": "composer",
+      "url": "https://repo.magento.com/"
+    }
+  ],
+  "license": [
+    "Apache-2.0"
+  ],
+  "authors": [
+    {
+      "name": "EaDesign",
+      "email": "office@eadesign.ro",
+      "homepage": "https://www.eadesign.ro/",
+      "role": "Developer"
+    }
+  ],
+  "require": {
+    "php": "~7.1.3|~7.2.0|~7.3.0",
+    "magento/module-backend": "101.0.*",
+    "magento/module-sales": "102.0.*",
+    "magento/framework": "~102.0.1",
+    "eadesignro/module-eacore": "^0.2.10",
+    "mpdf/mpdf": "7.1.*"
+  },
+  "require-dev": {
+    "friendsofphp/php-cs-fixer": "~2.13.0",
+    "lusitanian/oauth": "~0.8.10",
+    "magento/magento2-functional-testing-framework": "2.3.9",
+    "pdepend/pdepend": "2.5.2",
+    "phpmd/phpmd": "@stable",
+    "phpunit/phpunit": "~6.5.0",
+    "sebastian/phpcpd": "~3.0.0",
+    "squizlabs/php_codesniffer": "3.3.1"
+  },
+  "minimum-stability": "dev",
+  "prefer-stable": true
+}
+
diff --git a/etc/module.xml b/etc/module.xml
index 6e094ee..74f162b 100644
--- a/etc/module.xml
+++ b/etc/module.xml
@@ -1,10 +1,10 @@
-<?xml version="1.0"?>
-<!--
-/**
- * Copyright © EAdesign by Eco Active S.R.L.,All rights reserved.
- * See LICENSE for license details.
- */
--->
-<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
-    <module name="Eadesigndev_Pdfgenerator" setup_version="1.2.9"/>
-</config>
+<?xml version="1.0"?>
+<!--
+/**
+ * Copyright © EAdesign by Eco Active S.R.L.,All rights reserved.
+ * See LICENSE for license details.
+ */
+-->
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
+    <module name="Eadesigndev_Pdfgenerator" setup_version="1.2.10"/>
+</config>