diff --git a/composer.json b/composer.json
index 65217ec..5f74361 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
   "require": {
     "php": ">=5.3.9",
     "pagon/framework": "0.8.*",
-    "react/http": "0.3.*"
+    "react/http": "0.4.*"
   },
   "require-dev": {}
 }