diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 6504ce7..a3d2686
--- a/package.json
+++ b/package.json
@@ -87,7 +87,7 @@
     "ts-node": "6.0.3",
     "tslint": "5.10.0",
     "typescript": "2.7.2",
-    "wait-on": "2.1.0",
+    "wait-on": "4.0.1",
     "webdriver-manager": "12.0.6",
     "zone.js": "0.8.26"
   }