diff --git a/composer.json b/composer.json
index 9a352fe..2b7ed91 100644
--- a/composer.json
+++ b/composer.json
@@ -1,29 +1,29 @@
 {
-    "name": "ratchet/rfc6455"
-  , "type": "library"
-  , "description": "RFC6455 protocol handler"
-  , "keywords": ["WebSockets"]
-  , "homepage": "http://socketo.me"
-  , "license": "MIT"
-  , "authors": [
+    "name": "ratchet/rfc6455",
+    "type": "library",
+    "description": "RFC6455 protocol handler",
+    "keywords": ["WebSockets"],
+    "homepage": "http://socketo.me",
+    "license": "MIT",
+    "authors": [
         {
-            "name": "Chris Boden"
-          , "email": "cboden@gmail.com"
-          , "role": "Developer"
+            "name": "Chris Boden", "email": "cboden@gmail.com", "role": "Developer"
         }
-    ]
-  , "support": {
-        "forum":  "https://groups.google.com/forum/#!forum/ratchet-php"
-      , "issues": "https://github.com/ratchetphp/RFC6455/issues"
-      , "irc":    "irc://irc.freenode.org/reactphp"
-    }
-  , "autoload": {
+    ],
+    "support": {
+        "forum": "https://groups.google.com/forum/#!forum/ratchet-php",
+        "issues": "https://github.com/ratchetphp/RFC6455/issues",
+        "irc": "irc://irc.freenode.org/reactphp"
+    },
+    "autoload": {
         "psr-4": {
             "Ratchet\\RFC6455\\": "src"
         }
-    }
-  , "require": {
-        "php": ">=5.4.2"
-      , "guzzle/http": "~3.6"
+    },
+    "require": {
+        "php": ">=5.4.2",
+        "guzzlehttp/psr7": "dev-master",
+        "psr/http-message": "0.9.*",
+        "evenement/evenement": "~2.0"
     }
 }