diff --git a/composer.json b/composer.json
index 82a11c3..be0946c 100644
--- a/composer.json
+++ b/composer.json
@@ -10,8 +10,8 @@
     ],
     "require": {
         "php": ">=5.3.0",
-        "illuminate/support": "4.0.x",
-        "mailchimp/mailchimp": "dev-master"
+        "illuminate/support": "4.0.*",
+        "mailchimp/mailchimp": "2.0.*"
     },
     "autoload": {
         "psr-0": {
@@ -19,4 +19,4 @@
         }
     },
     "minimum-stability": "dev"
-}
\ No newline at end of file
+}