diff --git a/core/composer.json b/core/composer.json
index a7a6c6a43a..18d8dfbbd0 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -19,7 +19,7 @@
         "symfony/polyfill-iconv": "~1.0",
         "symfony/yaml": "~2.8",
         "twig/twig": "^1.23.1",
-        "doctrine/common": "^2.5",
+        "doctrine/common": ">=2.5 <2.8",
         "doctrine/annotations": "1.2.*",
         "guzzlehttp/guzzle": "^6.2.1",
         "symfony-cmf/routing": "~1.4",