diff --git a/README.md b/README.md
index ac85b12..7348e1c 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,5 @@
 # Laravel SendGrid Example
 
-## Laravel Versions
-
-### Laravel 7
-For Laravel 7, install v3 of `s-ichikawa/laravel-sendgrid-driver`.
-
-### Laravel 6
-For Laravel 6, install v2. Also you use `MAIL_DRIVER` instead of of `MAIL_MAILER`.
-
 ## Etc
 
 ### Command
diff --git a/app/Console/Commands/EmailSendTestCommand.php b/app/Console/Commands/EmailSendTestCommand.php
index 856742f..1a02fe8 100644
--- a/app/Console/Commands/EmailSendTestCommand.php
+++ b/app/Console/Commands/EmailSendTestCommand.php
@@ -3,8 +3,8 @@
 namespace App\Console\Commands;
 
 use Illuminate\Console\Command;
-use Illuminate\Mail\Message;
-use Sichikawa\LaravelSendgridDriver\Transport\SendgridTransport;
+use SendGrid;
+use SendGrid\Mail\Mail;
 
 class EmailSendTestCommand extends Command
 {
@@ -34,6 +34,7 @@ public function __construct()
 
     /**
      * Execute the console command.
+     * @throws SendGrid\Mail\TypeException
      */
     public function handle()
     {
@@ -41,27 +42,20 @@ public function handle()
             throw new \LogicException('You must have the MAIL_FROM_ADDRESS env var set.');
         }
 
-        \Mail::send([], [], function (Message $message) {
-            /** @noinspection PhpParamsInspection */
-            $message
-                ->to($this->option('to'))
-                ->embedData([
-                    'personalizations' => [
-                        [
-                            'dynamic_template_data' => [
-                                'title' => 'Subject',
-                                'name'  => 's-ichikawa',
-                            ],
-                        ],
-                    ],
-                    'asm' => [
-                        'group_id' => (int) config('services.sendgrid.unsubscribe_group_id')
-                    ],
-                    'template_id' => config('services.sendgrid.template_id'),
-                    'dynamic_template_data' => [
-                        'titleText' => 'Dynamic Title Text!',
-                    ],
-                ], SendgridTransport::SMTP_API_NAME);
-        });
+        $sg = new SendGrid(config('services.sendgrid.api_key'));
+        $email = new Mail();
+        $email->setFrom(config('mail.from.address'), config('mail.from.name'));
+        $email->addTo($this->option('to'), 'Test user');
+        $email->setAsm((int) config('services.sendgrid.unsubscribe_group_id'));
+        $email->setTemplateId(config('services.sendgrid.template_id'));
+        $email->addDynamicTemplateDatas([
+            'titleText' => 'Dynamic Title Text!',
+        ]);
+        $emailResponse = $sg->send($email);
+        if (($statusCode = $emailResponse->statusCode()) !== 202) {
+            throw new \RuntimeException("Could not send email. Status code $statusCode:\n{$emailResponse->body()}");
+        }
+
+        echo "Email sent.\n";
     }
 }
diff --git a/composer.json b/composer.json
index 7b117a9..42cc9fb 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
         "guzzlehttp/guzzle": "^6.3",
         "laravel/framework": "^7.0",
         "laravel/tinker": "^2.0",
-        "s-ichikawa/laravel-sendgrid-driver": "^3"
+        "sendgrid/sendgrid": "^7.4"
     },
     "require-dev": {
         "facade/ignition": "^2.0",
diff --git a/composer.lock b/composer.lock
index 13a04ca..e155f97 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": "9ce2aeff08bc4557f3531d9f775bf511",
+    "content-hash": "6c9b916afabf99375b77b6ba6294e82f",
     "packages": [
         {
             "name": "asm89/stack-cors",
@@ -1965,45 +1965,30 @@
             "time": "2020-03-29T20:13:32+00:00"
         },
         {
-            "name": "s-ichikawa/laravel-sendgrid-driver",
-            "version": "3.0.1",
+            "name": "sendgrid/php-http-client",
+            "version": "3.10.5",
             "source": {
                 "type": "git",
-                "url": "https://github.com/s-ichikawa/laravel-sendgrid-driver.git",
-                "reference": "b04c2f3446d07560ba154b62cb4a62626d6c35d6"
+                "url": "https://github.com/sendgrid/php-http-client.git",
+                "reference": "931a5a426fa3c3e31ecd8ad15597b2b183dad5db"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/s-ichikawa/laravel-sendgrid-driver/zipball/b04c2f3446d07560ba154b62cb4a62626d6c35d6",
-                "reference": "b04c2f3446d07560ba154b62cb4a62626d6c35d6",
+                "url": "https://api.github.com/repos/sendgrid/php-http-client/zipball/931a5a426fa3c3e31ecd8ad15597b2b183dad5db",
+                "reference": "931a5a426fa3c3e31ecd8ad15597b2b183dad5db",
                 "shasum": ""
             },
             "require": {
-                "guzzlehttp/guzzle": "^6.3",
-                "illuminate/mail": ">=7.0",
-                "phpoption/phpoption": "^1.7",
-                "vlucas/phpdotenv": "^4.1"
+                "php": ">=5.6"
             },
             "require-dev": {
-                "illuminate/container": ">=7.0",
-                "illuminate/filesystem": ">=7.0",
-                "laravel/helpers": "^1.2",
-                "phpunit/phpunit": "^8.5"
-            },
-            "suggest": {
-                "s-ichikawa/sendgrid-api-builder": "support to build json for sendgrid api"
+                "phpunit/phpunit": "~4.4",
+                "squizlabs/php_codesniffer": "~2.0"
             },
             "type": "library",
-            "extra": {
-                "laravel": {
-                    "providers": [
-                        "Sichikawa\\LaravelSendgridDriver\\SendgridTransportServiceProvider"
-                    ]
-                }
-            },
             "autoload": {
                 "psr-4": {
-                    "Sichikawa\\LaravelSendgridDriver\\": "src"
+                    "SendGrid\\": "lib/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -2012,16 +1997,80 @@
             ],
             "authors": [
                 {
-                    "name": "shingo.ichikawa",
-                    "email": "ichikawa.shingo.0829@gmail.com"
+                    "name": "Matt Bernier",
+                    "email": "dx@sendgrid.com"
+                },
+                {
+                    "name": "Elmer Thomas",
+                    "email": "ethomas@twilio.com"
                 }
             ],
-            "description": "This library adds a 'sendgrid' mail driver to Laravel.",
+            "description": "HTTP REST client, simplified for PHP",
+            "homepage": "http://github.com/sendgrid/php-http-client",
             "keywords": [
-                "laravel",
+                "api",
+                "fluent",
+                "http",
+                "rest",
                 "sendgrid"
             ],
-            "time": "2020-03-16T15:19:34+00:00"
+            "time": "2020-03-18T19:45:45+00:00"
+        },
+        {
+            "name": "sendgrid/sendgrid",
+            "version": "7.4.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sendgrid/sendgrid-php.git",
+                "reference": "21231bb2f9694007da80a9d39b878c65867f8ca8"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sendgrid/sendgrid-php/zipball/21231bb2f9694007da80a9d39b878c65867f8ca8",
+                "reference": "21231bb2f9694007da80a9d39b878c65867f8ca8",
+                "shasum": ""
+            },
+            "require": {
+                "ext-curl": "*",
+                "ext-json": "*",
+                "ext-mbstring": "*",
+                "ext-openssl": "*",
+                "php": ">=5.6",
+                "sendgrid/php-http-client": "~3.10"
+            },
+            "replace": {
+                "sendgrid/sendgrid-php": "*"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^5.7.9 || ^6.4.3",
+                "squizlabs/php_codesniffer": "3.*",
+                "swaggest/json-diff": "^3.4"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "SendGrid\\Mail\\": "lib/mail/",
+                    "SendGrid\\Contacts\\": "lib/contacts/",
+                    "SendGrid\\Stats\\": "lib/stats/"
+                },
+                "files": [
+                    "lib/SendGrid.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "This library allows you to quickly and easily send emails through Twilio SendGrid using PHP.",
+            "homepage": "http://github.com/sendgrid/sendgrid-php",
+            "keywords": [
+                "email",
+                "grid",
+                "send",
+                "sendgrid",
+                "twilio sendgrid"
+            ],
+            "time": "2020-03-18T19:53:23+00:00"
         },
         {
             "name": "swiftmailer/swiftmailer",