chai 4.1.2

Author: arunasank

package.json

@@ -15,7 +15,7 @@
   },
   "devDependencies": {
     "@mariocasciaro/benchpress": "^0.1.3",
-    "chai": "^3.5.0",
+    "chai": "^4.1.2",
     "coveralls": "^2.11.2",
     "istanbul": "^0.4.4",
     "mocha": "^2.2.4",