diff --git a/composer.json b/composer.json
index 0732c5f..2521038 100644
--- a/composer.json
+++ b/composer.json
@@ -11,8 +11,8 @@
     }],
     "require": {
         "php": ">=5.5.0",
-        "symfony/event-dispatcher": "~2.5|~3.0|~4.0",
-        "fulll/command-bus": "^3.4.4"
+        "symfony/event-dispatcher": "~2.5|~3.0|~4.0|~5.0",
+        "fulll/command-bus": "^3.5.1"
     },
     "repositories": [
         { "type": "git", "url": "git@github.com:fulll/command-bus.git" }