diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 59ec61b..e9e98cf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,6 +9,9 @@ on:
         types: [ created ]
     workflow_dispatch: ~
 
+env:
+    DOCKER_API_VERSION: '1.44'
+
 jobs:
     tests:
         runs-on: ubuntu-latest
@@ -20,7 +23,7 @@ jobs:
             matrix:
                 php: [ "8.1", "8.2", "8.3" ]
                 symfony: [ "^5.4", "^6.4" ]
-                sylius: [ "1.12.16", "1.13.1"]
+                sylius: [ "^1.12", "^1.13"]
                 node: [ "18.x", "20.x" ]
                 mysql: [ "8.0" ]
         env:
@@ -28,7 +31,7 @@ jobs:
             DATABASE_URL: "mysql://root:root@127.0.0.1/sylius?serverVersion=${{ matrix.mysql }}"
         
         steps:
-            -   uses: actions/checkout@v3
+            -   uses: actions/checkout@v4
 
             -   name: Setup PHP
                 uses: shivammathur/setup-php@v2
@@ -56,7 +59,7 @@ jobs:
                 run: php -v | head -n 1 | awk '{ print $2 }' > .php-version
 
             -   name: Install certificates
-                run: symfony server:ca:install
+                run: symfony server:ca:install || true
 
             -   name: Run Chrome Headless
                 run: google-chrome-stable --enable-automation --disable-background-networking --no-default-browser-check --no-first-run --disable-popup-blocking --disable-default-apps --allow-insecure-localhost --disable-translate --disable-extensions --no-sandbox --enable-features=Metal --headless --remote-debugging-port=9222 --window-size=2880,1800 --proxy-server='direct://' --proxy-bypass-list='*' http://127.0.0.1 > /dev/null 2>&1 &
@@ -92,7 +95,7 @@ jobs:
                 run: composer require "sylius/sylius:${{ matrix.sylius }}" --no-update --no-scripts --no-interaction
 
             -   name: Install PHP dependencies
-                run: composer install --no-interaction --no-plugins
+                run: composer install --no-interaction --no-plugins --no-security-blocking
                 env:
                     SYMFONY_REQUIRE: ${{ matrix.symfony }}
 
@@ -152,7 +155,7 @@ jobs:
                 run: vendor/bin/behat --colors --strict -vvv --no-interaction || vendor/bin/behat --colors --strict -vvv --no-interaction --rerun
 
             -   name: Upload Behat logs
-                uses: actions/upload-artifact@v3
+                uses: actions/upload-artifact@v4
                 if: failure()
                 with:
                     name: Behat logs
@@ -166,9 +169,7 @@ jobs:
             PHP_VERSION: 8.2
         steps:
             -   name: Checkout code
-                uses: actions/checkout@v3
-                with:
-                    fetch-depth: 0
+                uses: actions/checkout@v4
 
             -   name: Setup PHP
                 uses: shivammathur/setup-php@v2
diff --git a/composer.json b/composer.json
index e4cc22e..8916baa 100644
--- a/composer.json
+++ b/composer.json
@@ -24,6 +24,7 @@
         "symfony/framework-bundle": "^5.4 || ^6.0",
         "symfony/http-foundation": "^5.4 || ^6.0",
         "symfony/http-kernel": "^5.4 || ^6.0",
+        "symfony/mime": "^5.4 || ^6.0",
         "symfony/options-resolver": "^5.4 || ^6.0",
         "symfony/routing": "^5.4 || ^6.0",
         "symfony/translation-contracts": "^2.0",
diff --git a/src/Command/AlertCommand.php b/src/Command/AlertCommand.php
index bcf898b..5aebed8 100644
--- a/src/Command/AlertCommand.php
+++ b/src/Command/AlertCommand.php
@@ -12,6 +12,7 @@
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Mime\Exception\RfcComplianceException;
 use Symfony\Component\Routing\RouterInterface;
 use Webgriffe\SyliusBackInStockNotificationPlugin\Entity\SubscriptionInterface;
 use Webgriffe\SyliusBackInStockNotificationPlugin\Repository\SubscriptionRepositoryInterface;
@@ -41,7 +42,7 @@ protected function configure(): void
 
     protected function execute(InputInterface $input, OutputInterface $output): int
     {
-        //I think that this load in the long time can be a bottle necklace
+        // I think that this load in the long time can be a bottleneck
         $subscriptions = $this->backInStockNotificationRepository->findBy(['notify' => false]);
         foreach ($subscriptions as $subscription) {
             $channel = $subscription->getChannel();
@@ -62,7 +63,14 @@ protected function execute(InputInterface $input, OutputInterface $output): int
                 $productVariant->getProduct()?->isEnabled() === true
             ) {
                 $this->router->getContext()->setHost($channel->getHostname() ?? 'localhost');
-                $this->sendEmail($subscription, $productVariant, $channel);
+
+                try {
+                    $this->sendEmail($subscription, $productVariant, $channel);
+                } catch (RfcComplianceException $e) {
+                    $this->logger->warning('Invalid email address, continue to the next one: ' . $e->getMessage());
+
+                    continue;
+                }
                 $subscription->setNotify(true);
                 $this->backInStockNotificationRepository->add($subscription);
             }
diff --git a/src/Controller/SubscriptionController.php b/src/Controller/SubscriptionController.php
index 87f1bce..bb7b8d0 100644
--- a/src/Controller/SubscriptionController.php
+++ b/src/Controller/SubscriptionController.php
@@ -12,7 +12,7 @@
 use Sylius\Component\Inventory\Checker\AvailabilityCheckerInterface;
 use Sylius\Component\Locale\Context\LocaleContextInterface;
 use Sylius\Component\Mailer\Sender\SenderInterface;
-use Sylius\Component\Resource\Factory\FactoryInterface;
+use Sylius\Resource\Factory\FactoryInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
diff --git a/src/Form/SubscriptionType.php b/src/Form/SubscriptionType.php
index 4c60ddd..a2ed9f6 100644
--- a/src/Form/SubscriptionType.php
+++ b/src/Form/SubscriptionType.php
@@ -25,7 +25,7 @@ public function buildForm(FormBuilderInterface $builder, array $options): void
             ->add('email', EmailType::class, [
                 'constraints' => [
                     new NotBlank([], null, null, null, ['webgriffe_sylius_back_in_stock_notification_plugin']),
-                    new Email([], null, null, null, ['webgriffe_sylius_back_in_stock_notification_plugin']),
+                    new Email(['mode' => Email::VALIDATION_MODE_STRICT], null, null, null, ['webgriffe_sylius_back_in_stock_notification_plugin']),
                 ],
             ])
             ->add('product_variant_code', HiddenType::class)
diff --git a/src/Repository/SubscriptionRepositoryInterface.php b/src/Repository/SubscriptionRepositoryInterface.php
index 48aecb5..3853e20 100644
--- a/src/Repository/SubscriptionRepositoryInterface.php
+++ b/src/Repository/SubscriptionRepositoryInterface.php
@@ -5,7 +5,7 @@
 namespace Webgriffe\SyliusBackInStockNotificationPlugin\Repository;
 
 use Doctrine\ORM\QueryBuilder;
-use Sylius\Component\Resource\Repository\RepositoryInterface;
+use Sylius\Resource\Doctrine\Persistence\RepositoryInterface;
 use Webgriffe\SyliusBackInStockNotificationPlugin\Entity\SubscriptionInterface;
 
 /**