diff --git a/package.json b/package.json
index 4de28df..f3495e5 100644
--- a/package.json
+++ b/package.json
@@ -6,16 +6,16 @@
     "start": "node ./bin/www"
   },
   "dependencies": {
-    "async": "^2.4.0",
+    "async": "^3.2.6",
     "body-parser": "~1.16.0",
     "cookie-parser": "~1.4.3",
-    "debug": "~2.6.0",
+    "debug": "~4.3.6",
     "express": "~4.14.1",
     "moment": "^2.18.1",
-    "morgan": "~1.7.0",
+    "morgan": "~1.10.0",
     "nedb-core": "^3.0.6",
     "pug": "~2.0.0-beta10",
-    "serve-favicon": "~2.3.2",
-    "web3": "^0.19.0"
+    "serve-favicon": "~2.5.0",
+    "web3": "^4.12.1"
   }
 }