diff --git a/tests/Application/config/services_test.yaml b/tests/Application/config/services_test.yaml
index 9c2c7c0..be6d76e 100644
--- a/tests/Application/config/services_test.yaml
+++ b/tests/Application/config/services_test.yaml
@@ -41,3 +41,38 @@ services:
     webgriffe_sylius_upgrade.service_changes_command.test_it_detects_directly_decorated_services_that_changed.decorate_customer_unique_address_adder:
         class: Tests\Webgriffe\SyliusUpgradePlugin\Stub\ServiceChangesCommand\test_it_detects_directly_decorated_services_that_changed\DecorateCustomerUniqueAddressAdder
         decorates: sylius.customer_unique_address_adder
+
+
+    ## test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed
+    webgriffe_sylius_upgrade.service_changes_command.test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed.decorate_province_naming_provider:
+        public: true
+        class: Tests\Webgriffe\SyliusUpgradePlugin\Stub\ServiceChangesCommand\test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed\DecorateProvinceNamingProvider
+        decorates: sylius.province_naming_provider
+        arguments:
+            - '@.inner'
+
+    webgriffe_sylius_upgrade.service_changes_command.test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed.decorate_order_payment_processor:
+        public: true
+        class: Tests\Webgriffe\SyliusUpgradePlugin\Stub\ServiceChangesCommand\test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed\DecorateOrderPaymentProcessor
+        decorates: sylius.order_processing.order_payment_processor.after_checkout
+        decoration_priority: 100
+        arguments:
+            - '@.inner'
+
+    # decorated BUT not changed
+    webgriffe_sylius_upgrade.service_changes_command.test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed.decorate_customer_order_addresses_saver:
+        class: Tests\Webgriffe\SyliusUpgradePlugin\Stub\ServiceChangesCommand\test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed\DecorateCustomerOrderAddressesSaver
+        decorates: sylius.customer_order_addresses_saver
+        arguments:
+            - '@.inner'
+
+
+    ## test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed
+    webgriffe_sylius_upgrade.service_changes_command.test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed.decorate_send_order_confirmation:
+        class: Tests\Webgriffe\SyliusUpgradePlugin\Stub\ServiceChangesCommand\test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed\DecorateSendOrderConfirmationHandler
+        decorates: Sylius\Bundle\ApiBundle\CommandHandler\Checkout\SendOrderConfirmationHandler
+
+    # decorated BUT not changed
+    webgriffe_sylius_upgrade.service_changes_command.test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed.decorate_send_shipment_confirmation_email_handler:
+        class: Tests\Webgriffe\SyliusUpgradePlugin\Stub\ServiceChangesCommand\test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed\DecorateSendShipmentConfirmationEmailHandler
+        decorates: Sylius\Bundle\ApiBundle\CommandHandler\Checkout\SendShipmentConfirmationEmailHandler
diff --git a/tests/Integration/Command/ServiceChangesCommandTest.php b/tests/Integration/Command/ServiceChangesCommandTest.php
index 9d47796..203972a 100644
--- a/tests/Integration/Command/ServiceChangesCommandTest.php
+++ b/tests/Integration/Command/ServiceChangesCommandTest.php
@@ -56,6 +56,57 @@ public function test_it_detects_directly_decorated_services_that_changed(): void
 Service "Tests\Webgriffe\SyliusUpgradePlugin\Stub\ServiceChangesCommand\\test_it_detects_directly_decorated_services_that_changed\DecorateOrderEmailManagerInterface" must be checked because the service that it decorates "Sylius\Bundle\AdminBundle\EmailManager\OrderEmailManager" has changed between given versions
 Service "Tests\Webgriffe\SyliusUpgradePlugin\Stub\ServiceChangesCommand\\test_it_detects_directly_decorated_services_that_changed\DecorateNewShopBased" must be checked because the service that it decorates "Sylius\Component\Core\Cart\Context\ShopBasedCartContext" has changed between given versions
 
+TXT;
+
+        self::assertEquals($expectedOutput, $output);
+    }
+
+    public function test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed(): void
+    {
+        Git::$diffToReturn = file_get_contents(self::FIXTURE_DIR . $this->getName() . '/git.diff');
+
+        $result = $this->commandTester->execute(
+            [
+                ServiceChangesCommand::FROM_VERSION_ARGUMENT_NAME => '1.11.0',
+                ServiceChangesCommand::TO_VERSION_ARGUMENT_NAME => '1.12.0',
+                '--' . ServiceChangesCommand::NAMESPACE_PREFIX_OPTION_NAME => 'Tests',
+                '--' . ServiceChangesCommand::ALIAS_PREFIX_OPTION_NAME => 'webgriffe_sylius_upgrade',
+            ],
+        );
+
+        self::assertEquals(0, $result);
+
+        $output = $this->commandTester->getDisplay();
+        $expectedOutput = <<<TXT
+Computing modified services between 1.11.0 and 1.12.0
+Service "webgriffe_sylius_upgrade.service_changes_command.test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed.decorate_province_naming_provider" must be checked because the service that it decorates "Sylius\Component\Addressing\Provider\ProvinceNamingProvider" has changed between given versions
+Service "webgriffe_sylius_upgrade.service_changes_command.test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed.decorate_order_payment_processor" must be checked because the service that it decorates "Sylius\Component\Core\OrderProcessing\OrderPaymentProcessor" has changed between given versions
+
+TXT;
+
+        self::assertEquals($expectedOutput, $output);
+    }
+
+    public function test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed(): void
+    {
+        Git::$diffToReturn = file_get_contents(self::FIXTURE_DIR . $this->getName() . '/git.diff');
+
+        $result = $this->commandTester->execute(
+            [
+                ServiceChangesCommand::FROM_VERSION_ARGUMENT_NAME => '1.11.0',
+                ServiceChangesCommand::TO_VERSION_ARGUMENT_NAME => '1.12.0',
+                '--' . ServiceChangesCommand::NAMESPACE_PREFIX_OPTION_NAME => 'Tests',
+                '--' . ServiceChangesCommand::ALIAS_PREFIX_OPTION_NAME => 'webgriffe_sylius_upgrade',
+            ],
+        );
+
+        self::assertEquals(0, $result);
+
+        $output = $this->commandTester->getDisplay();
+        $expectedOutput = <<<TXT
+Computing modified services between 1.11.0 and 1.12.0
+Service "Tests\Webgriffe\SyliusUpgradePlugin\Stub\ServiceChangesCommand\\test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed\DecorateSendOrderConfirmationHandler" must be checked because the service that it decorates "Sylius\Bundle\ApiBundle\CommandHandler\Checkout\SendOrderConfirmationHandler" has changed between given versions
+
 TXT;
 
         self::assertEquals($expectedOutput, $output);
diff --git a/tests/Integration/DataFixtures/Command/ServiceChangesCommandTest/test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed/git.diff b/tests/Integration/DataFixtures/Command/ServiceChangesCommandTest/test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed/git.diff
new file mode 100644
index 0000000..f20dbf5
--- /dev/null
+++ b/tests/Integration/DataFixtures/Command/ServiceChangesCommandTest/test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed/git.diff
@@ -0,0 +1,14 @@
+diff --git a/src/Sylius/Bundle/ApiBundle/CommandHandler/Checkout/SendOrderConfirmationHandler.php b/src/Sylius/Bundle/ApiBundle/CommandHandler/Checkout/SendOrderConfirmationHandler.php
+index 4eaff957874..60d2decf5e8 100644
+--- a/src/Sylius/Bundle/ApiBundle/CommandHandler/Checkout/SendOrderConfirmationHandler.php
++++ b/src/Sylius/Bundle/ApiBundle/CommandHandler/Checkout/SendOrderConfirmationHandler.php
+
+diff --git a/src/Sylius/Bundle/AdminBundle/EmailManager/ShipmentEmailManager.php b/src/Sylius/Bundle/AdminBundle/EmailManager/ShipmentEmailManager.php
+index 5270cc23123..02f6b26fcf7 100644
+--- a/src/Sylius/Bundle/AdminBundle/EmailManager/ShipmentEmailManager.php
++++ b/src/Sylius/Bundle/AdminBundle/EmailManager/ShipmentEmailManager.php
+
+diff --git a/src/Sylius/Bundle/AdminBundle/Event/OrderShowMenuBuilderEvent.php b/src/Sylius/Bundle/AdminBundle/Event/OrderShowMenuBuilderEvent.php
+index 7e2cfde7545..da90d9fd52c 100644
+--- a/src/Sylius/Bundle/AdminBundle/Event/OrderShowMenuBuilderEvent.php
++++ b/src/Sylius/Bundle/AdminBundle/Event/OrderShowMenuBuilderEvent.php
diff --git a/tests/Integration/DataFixtures/Command/ServiceChangesCommandTest/test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed/git.diff b/tests/Integration/DataFixtures/Command/ServiceChangesCommandTest/test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed/git.diff
new file mode 100644
index 0000000..a7a365a
--- /dev/null
+++ b/tests/Integration/DataFixtures/Command/ServiceChangesCommandTest/test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed/git.diff
@@ -0,0 +1,14 @@
+diff --git a/src/Sylius/Component/Addressing/Provider/ProvinceNamingProvider.php b/src/Sylius/Component/Addressing/Provider/ProvinceNamingProvider.php
+index 4eaff957874..60d2decf5e8 100644
+--- a/src/Sylius/Component/Addressing/Provider/ProvinceNamingProvider.php
++++ b/src/Sylius/Component/Addressing/Provider/ProvinceNamingProvider.php
+
+diff --git a/src/Sylius/Bundle/AdminBundle/EmailManager/ShipmentEmailManager.php b/src/Sylius/Bundle/AdminBundle/EmailManager/ShipmentEmailManager.php
+index 5270cc23123..02f6b26fcf7 100644
+--- a/src/Sylius/Bundle/AdminBundle/EmailManager/ShipmentEmailManager.php
++++ b/src/Sylius/Bundle/AdminBundle/EmailManager/ShipmentEmailManager.php
+
+diff --git a/src/Sylius/Component/Core/OrderProcessing/OrderPaymentProcessor.php b/src/Sylius/Component/Core/OrderProcessing/OrderPaymentProcessor.php
+index 7e2cfde7545..da90d9fd52c 100644
+--- a/src/Sylius/Component/Core/OrderProcessing/OrderPaymentProcessor.php
++++ b/src/Sylius/Component/Core/OrderProcessing/OrderPaymentProcessor.php
diff --git a/tests/Stub/ServiceChangesCommand/test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed/DecorateSendOrderConfirmationHandler.php b/tests/Stub/ServiceChangesCommand/test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed/DecorateSendOrderConfirmationHandler.php
new file mode 100644
index 0000000..9650149
--- /dev/null
+++ b/tests/Stub/ServiceChangesCommand/test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed/DecorateSendOrderConfirmationHandler.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Webgriffe\SyliusUpgradePlugin\Stub\ServiceChangesCommand\test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed;
+
+final class DecorateSendOrderConfirmationHandler
+{
+}
diff --git a/tests/Stub/ServiceChangesCommand/test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed/DecorateSendShipmentConfirmationEmailHandler.php b/tests/Stub/ServiceChangesCommand/test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed/DecorateSendShipmentConfirmationEmailHandler.php
new file mode 100644
index 0000000..1f3071f
--- /dev/null
+++ b/tests/Stub/ServiceChangesCommand/test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed/DecorateSendShipmentConfirmationEmailHandler.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Webgriffe\SyliusUpgradePlugin\Stub\ServiceChangesCommand\test_it_detects_with_alias_strategy_those_directly_decorated_services_that_changed;
+
+final class DecorateSendShipmentConfirmationEmailHandler
+{
+}
diff --git a/tests/Stub/ServiceChangesCommand/test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed/DecorateCustomerOrderAddressesSaver.php b/tests/Stub/ServiceChangesCommand/test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed/DecorateCustomerOrderAddressesSaver.php
new file mode 100644
index 0000000..73a8b76
--- /dev/null
+++ b/tests/Stub/ServiceChangesCommand/test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed/DecorateCustomerOrderAddressesSaver.php
@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Webgriffe\SyliusUpgradePlugin\Stub\ServiceChangesCommand\test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed;
+
+use Sylius\Component\Core\Customer\OrderAddressesSaverInterface;
+
+final class DecorateCustomerOrderAddressesSaver
+{
+    public function __construct(private OrderAddressesSaverInterface $decoratedCustomerOrderAddressesSaver)
+    {
+    }
+}
diff --git a/tests/Stub/ServiceChangesCommand/test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed/DecorateOrderPaymentProcessor.php b/tests/Stub/ServiceChangesCommand/test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed/DecorateOrderPaymentProcessor.php
new file mode 100644
index 0000000..027f3b4
--- /dev/null
+++ b/tests/Stub/ServiceChangesCommand/test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed/DecorateOrderPaymentProcessor.php
@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Webgriffe\SyliusUpgradePlugin\Stub\ServiceChangesCommand\test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed;
+
+use Sylius\Component\Order\Processor\OrderProcessorInterface;
+
+final class DecorateOrderPaymentProcessor
+{
+    public function __construct(private OrderProcessorInterface $decoratedAfterCheckoutOrderPaymentProcessor)
+    {
+    }
+}
diff --git a/tests/Stub/ServiceChangesCommand/test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed/DecorateProvinceNamingProvider.php b/tests/Stub/ServiceChangesCommand/test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed/DecorateProvinceNamingProvider.php
new file mode 100644
index 0000000..862548d
--- /dev/null
+++ b/tests/Stub/ServiceChangesCommand/test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed/DecorateProvinceNamingProvider.php
@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Webgriffe\SyliusUpgradePlugin\Stub\ServiceChangesCommand\test_it_detects_with_decorated_definition_strategy_those_directly_decorated_services_that_changed;
+
+use Sylius\Component\Addressing\Provider\ProvinceNamingProvider as BaseProvinceNamingProvider;
+
+final class DecorateProvinceNamingProvider
+{
+    public function __construct(private BaseProvinceNamingProvider $baseProvinceNamingProvider)
+    {
+    }
+}