diff --git a/package.json b/package.json
index eefbc10..256125b 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "es5-shim": "4.5.9",
     "istanbul": "0.4.5",
     "mocha": "3.1.2",
-    "mz": "2.4.0",
+    "mz": "2.5.0",
     "postmortem": "^0.2.4",
     "requisite": "1.19.1",
     "shortcake": "1.1.18",