diff --git a/composer.json b/composer.json
index d71fd80..f580fcf 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
         }
     ],
     "require": {
-        "oncesk/elephant.io": "*"
+        "oncesk/elephant.io": "dev-master"
     },
     "autoload": {
         "psr-4": {