diff --git a/composer.json b/composer.json
index 359889b..acf24cd 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
     "require": {
         "php": ">=5.4.0",
         "illuminate/support": "4.2.*",
-        "industrious-mouse/dotmailer-api": "@dev"
+        "industrious-mouse/dotmailer-api": "dev-master"
     },
     "repositories": [
         {