diff --git a/composer.json b/composer.json
index 56238d4..3c5233c 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     ],
     "require": {
         "php": ">=5.3.0",
-        "illuminate/support": "4.*|5.0.*",
+        "illuminate/support": "4.*|5.0.*|5.1.*",
         "mailchimp/mailchimp": "2.0.*"
     },
     "autoload": {