diff --git a/package.json b/package.json
index b0d90f1..3ab9ac5 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   "license": "MIT",
   "dependencies": {
     "async.eachof": "0.4.3",
-    "async.util.isarray": "0.4.3"
+    "async.util.isarray": "0.5.0"
   },
   "keywords": [
     "async",