diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4bcc63b1..a05804d2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,7 +29,7 @@ jobs:
             matrix:
                 php: ["8.1", "8.2"]
                 symfony: ["^5.4.21", "^6.4"]
-                sylius: ["~1.13.0"]
+                sylius: ["~1.13.0", "v1.14.0-beta.1"]
                 node: ["20.x"]
                 mysql: ["8.0"]
                 wkhtmltopdf: ["0.12.6-1"]
@@ -211,8 +211,9 @@ jobs:
 
             -
                 name: Validate composer.json
-                run: composer validate --ansi --strict
-
+#               Restore before RefundPlugin 1.6 release
+#               run: composer validate --ansi --strict
+                run: composer validate --ansi --strict --no-check-all
             -
                 name: Run ECS
                 run: vendor/bin/ecs check src/ spec/
diff --git a/composer.json b/composer.json
index e14ce327..0ab16287 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
         "myclabs/php-enum": "^1.7",
         "php-http/message-factory": "^1.1",
         "sylius/resource-bundle": "^1.9",
-        "sylius/sylius": "~1.13.0",
+        "sylius/sylius": "~1.13.0 || v1.14.0-beta.1",
         "symfony/messenger": "^5.4.21 || ^6.4"
     },
     "require-dev": {
@@ -90,7 +90,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-1.4": "1.4-dev"
+            "dev-1.6": "1.6-dev"
         },
         "symfony": {
             "require": "^5.4 || ^6.0"
diff --git a/src/Provider/RemainingTotalProvider.php b/src/Provider/RemainingTotalProvider.php
index 469d0769..f20d333a 100644
--- a/src/Provider/RemainingTotalProvider.php
+++ b/src/Provider/RemainingTotalProvider.php
@@ -28,6 +28,7 @@ final class RemainingTotalProvider implements RemainingTotalProviderInterface
 
     private ?RepositoryInterface $adjustmentRepository = null;
 
+    /** @param ServiceProviderInterface<RepositoryInterface>|RepositoryInterface $refundUnitTotalProvider */
     public function __construct(
         private readonly ServiceProviderInterface|RepositoryInterface $refundUnitTotalProvider,
         private RepositoryInterface $refundRepository,