diff --git a/package.json b/package.json
index 447471f..61ee414 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "nyc": "^13.1.0",
     "prettier": "^1.14.3",
     "proxyquire": "^2.1.0",
-    "unexpected": "^11.0.0-3",
+    "unexpected": "^10.40.2",
     "unexpected-documentation-site-generator": "^5.0.0",
     "unexpected-markdown": "^2.0.0"
   },