diff --git a/composer.json b/composer.json
index 9e4892c..297e97c 100644
--- a/composer.json
+++ b/composer.json
@@ -22,6 +22,7 @@
         "behat/mink-extension": "^2.2",
         "friends-of-behat/cross-container-extension": "^1.0",
         "friends-of-behat/test-context": "^1.0",
+        "phpstan/phpstan-shim": "^0.10",
         "sylius-labs/coding-standard": "^2.0",
         "symfony/framework-bundle": "^3.4|^4.0"
     },