diff --git a/composer.json b/composer.json
index 95f4de7..04fca65 100644
--- a/composer.json
+++ b/composer.json
@@ -29,10 +29,10 @@
   },
   "require": {
     "php": ">=5.3.3",
-    "symfony/console": "~2.7|~3.0|~4.0"
+    "symfony/console": "~2.7|~3.0|~4.0|~5.0"
   },
   "require-dev": {
-    "symfony/process": "~2.7|~3.0|~4.0",
+    "symfony/process": "~2.7|~3.0|~4.0|~5.0",
     "mikey179/vfsStream": "1.1.0",
     "phpunit/phpunit": "3.7.*"
   }