diff --git a/composer.json b/composer.json
index 225458d..96cdc10 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     ],
     "require": {
         "php": ">=5.4.0",
-        "symfony/http-foundation": "~3.0",
+        "symfony/http-foundation": "~3.0|~4.0",
         "illuminate/support": "~5.0"
     },
     "require-dev": {