diff --git a/composer.json b/composer.json
index 8864e7a6..cd006bdc 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
         "php": ">=5.3.0",
         "evenement/evenement": "~2.0|~1.0",
         "react/dns": "0.4.*|0.3.*",
-        "react/event-loop": "0.4.*|0.3.*",
+        "react/event-loop": "^1.0 || ^0.5 || ^0.4 || ^0.3.5",
         "react/stream": "^1.0 || ^0.7 || ^0.6 || ^0.5 || ^0.4.5",
         "react/promise": "^2.1 || ^1.2",
         "react/promise-timer": "~1.0"