diff --git a/composer.json b/composer.json
index 208530f6..1272c86d 100644
--- a/composer.json
+++ b/composer.json
@@ -48,7 +48,8 @@
         "twig/extra-bundle": "^3.4"
     },
     "conflict": {
-        "symfony/form": "4.4.11 || 4.4.12"
+        "symfony/form": "4.4.11 || 4.4.12",
+        "doctrine/orm": ">=2.15.2"
     },
     "autoload": {
         "psr-4": {