diff --git a/package.json b/package.json
index b083fbb..494d7f7 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "jsdom": "^11.0.0",
     "mocha": "^4.0.0",
     "sinon": "^4.0.0",
-    "unexpected": "^10.36.0",
+    "unexpected": "^11.0.1",
     "unexpected-sinon": "^10.1.1"
   }
 }