diff --git a/composer.json b/composer.json
index 94f5b6e2..c1a732ae 100644
--- a/composer.json
+++ b/composer.json
@@ -23,6 +23,7 @@
         "php": "^7.1",
         "doctrine/data-fixtures": "^1.3",
         "doctrine/doctrine-bundle": "^1.6",
+        "doctrine/orm": "^2.6.0",
         "symfony/doctrine-bridge": "~3.4|^4.1",
         "symfony/framework-bundle": "^3.4|^4.1"
     },