diff --git a/composer.json b/composer.json
index 862f14d..195563f 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,9 @@
   }
   ],
   "require": {
-  "php": ">=5.3.0"
+  "php": ">=5.3.0",
+  "ext-soap": "*",
+  "ext-sockets": "*"
   },
   "require-dev": {
   "phpunit/phpunit": "~4.0"