diff --git a/composer.json b/composer.json
index 6046f86..fc3b017 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
   },
   "require": {
     "php": ">=5.3.2",
-    "itsgoingd/clockwork": "1.8",
+    "itsgoingd/clockwork": "4.1.7",
     "composer/installers": "*"
   }
 }