diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index d883732..687f00a
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "mocha": "^5.2.0",
     "morgan": "^1.9.1",
     "npm": "^6.5.0",
-    "puppeteer": "1.11.0",
+    "puppeteer": "5.2.1",
     "supertest": "^3.1.0"
   },
   "devDependencies": {