diff --git a/composer.json b/composer.json
index 01691aa..fe5b4c5 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
     "require": {
         "php": "^7.1",
 
-        "sylius/sylius": "^1.0"
+        "sylius/sylius": "^1.0.4"
     },
     "require-dev": {
         "phpspec/phpspec": "^3.2",