diff --git a/composer.json b/composer.json
index 6a70587..bea39f0 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
         }
     ],
     "require": {
-        "symfony/framework-bundle": "^2.3 || ^3.0",
+        "symfony/framework-bundle": "^2.3 || ^3.0 || ^4.0",
         "solarium/solarium": "^3.3"
     },
     "autoload": {