diff --git a/composer.json b/composer.json
index e956617..5cb1a3b 100644
--- a/composer.json
+++ b/composer.json
@@ -14,8 +14,7 @@
         }
     ],
     "require": {
-        "php": "^7.1",
-
+        "php": "^7.1|^8.0",
         "sylius/sylius": "^1.1",
         "locastic/tcompayway": "^2.0"
     },
diff --git a/src/Resources/config/services.yml b/src/Resources/config/services.yml
index 86039fd..a37fc84 100644
--- a/src/Resources/config/services.yml
+++ b/src/Resources/config/services.yml
@@ -1,17 +1,20 @@
 services:
     locastic.sylius_ht_payway_plugin.validator.currency:
         class: Locastic\SyliusHTPayWayPlugin\Validator\Constraints\CurrencyValidator
+        public: true
         tags:
             - { name: validator.constraint_validator, alias: locastic_sylius_ht_payway_plugin_currency }
 
     locastic.sylius_ht_payway_plugin.form.type.ht_payway_gateway_configuration:
         class: Locastic\SyliusHTPayWayPlugin\Form\Type\HTPayWayOffsiteGatewayConfigurationType
+        public: true
         tags:
             - { name: sylius.gateway_configuration_type, type: ht_payway_offsite, label: locastic.sylius_ht_payway_plugin.ui.ht_payway_offsite }
             - { name: form.type }
 
     locastic.sylius_ht_payway_plugin.offsite_gateway_factory:
         class: Payum\Core\Bridge\Symfony\Builder\GatewayFactoryBuilder
+        public: true
         arguments:
             - Locastic\SyliusHTPayWayPlugin\HTPayWayOffsiteGatewayFactory
         tags:
@@ -19,20 +22,24 @@ services:
 
     locastic.sylius_ht_payway_plugin.action.convert_payment_to_htpayway:
         class: Locastic\SyliusHTPayWayPlugin\Bridge\ConvertPaymentToHTPayWayAction
+        public: true
         tags:
             - { name: payum.action, factory: ht_payway_offsite, prepend: true }
 
     locastic.sylius_ht_payway_plugin.action.capture_offsite:
         class: Locastic\SyliusHTPayWayPlugin\Action\CaptureOffsiteAction
+        public: true
         tags:
             - { name: payum.action, factory: ht_payway_offsite, alias: payum.action.capture }
 
     locastic.sylius_ht_payway_plugin.action.status:
         class: Locastic\SyliusHTPayWayPlugin\Action\StatusAction
+        public: true
         tags:
             - { name: payum.action, factory: ht_payway_offsite, alias: payum.action.status }
 
     locastic.sylius_ht_payway_plugin.action.convert_payment:
         class: Locastic\SyliusHTPayWayPlugin\Action\ConvertPaymentAction
+        public: true
         tags:
             - { name: payum.action, factory: ht_payway_offsite, alias: payum.action.convert_payment }
\ No newline at end of file