diff --git a/composer.json b/composer.json
index a9b2500..9a078a8 100755
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     "minimum-stability": "stable",
     "require": {
         "php": ">=7",
-        "symfony/http-foundation": "^3.1",
+        "symfony/http-foundation": "^3.1|^4.0",
         "doctrine/orm": "~2.5.4"
     },
     "require-dev": {