diff --git a/composer.json b/composer.json
index c90f8b7..efd725e 100644
--- a/composer.json
+++ b/composer.json
@@ -12,9 +12,8 @@
     "require": {
         "php": ">=5.3 || ^7.0",
         "sokil/php-mongo": "1.*",
-        "symfony/console": ">=2.0 <4.0",
-        "symfony/yaml": ">=2.0 <4.0",
-        "symfony/event-dispatcher": ">=2.0 <4.0"
+        "symfony/console": ">=2.0 <5.0",
+        "symfony/yaml": ">=2.0 <5.0"
     },
     "require-dev": {
         "phpunit/phpunit": ">=3.7.38 <6.0",