diff --git a/package.json b/package.json
index b555795..378dc97 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "eslint-config-onelint": "^4.0.0",
     "istanbul": "^0.4.5",
     "mocha": "^5.1.0",
-    "unexpected": "^10.0.1"
+    "unexpected": "^11.0.0"
   },
   "peerDepeendencies": {
     "unexpected": "^10.0.1"