diff --git a/package.json b/package.json
index 7920f76..e4ddc88 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,6 @@
     "jshint": "2.8.0",
     "mocha": "2.3.4",
     "mocha-lcov-reporter": "1.0.0",
-    "unexpected": "10.5.0"
+    "unexpected": "10.9.1"
   }
 }