diff --git a/composer.json b/composer.json
index bbd9cb5..a08be18 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
         "ext-openssl": "*",
         "symfony/framework-bundle": "~2.7|~3.0|~4.0",
         "doctrine/orm": "^2.5",
-        "doctrine/doctrine-bundle": "^1.6",
+        "doctrine/doctrine-bundle": ">=1.6",
         "yokai/dependency-injection": "~1.0"
     },
     "require-dev": {