diff --git a/package.json b/package.json
index f3b3c9b..bea6e97 100644
--- a/package.json
+++ b/package.json
@@ -37,26 +37,28 @@
     }
   ],
   "dependencies": {
-    "async": "0.1.22",
-    "coffee-script": "1.4.0",
-    "cookie-parser": "^1.1.0",
-    "express": "^4.4.0",
-    "express-session": "^1.2.1",
-    "socket.io": "~0.9.16",
-    "underscore": "1.4.3"
+    "async": "3.1.0",
+    "coffeescript": "2.4.1",
+    "cookie-parser": "^1.4.4",
+    "express": "^4.17.1",
+    "express-session": "^1.17.0",
+    "npm-upgrade": "^2.0.2",
+    "socket.io": "~2.3.0",
+    "underscore": "1.9.1"
   },
   "devDependencies": {
-    "request": "*",
-    "mocha": "*",
     "chai": "*",
-    "socket.io-client": "*",
-    "jade": "*"
+    "jade": "*",
+    "mocha": "*",
+    "request": "*",
+    "socket.io-client": "*"
   },
   "main": "switch.js",
   "scripts": {
-    "test": "./node_modules/mocha/bin/mocha test/test.coffee",
-    "compile": "./node_modules/coffee-script/bin/coffee -o compiled/ -c lib/",
-    "prepublish": "echo $(pwd) > /tmp/.pwd; ./node_modules/coffee-script/bin/coffee -o compiled/ -c lib/;",
+    "test": "node ./node_modules/mocha/bin/mocha test/test.coffee",
+    "update": "node ./node_modules/npm-upgrade/lib/bin/cli.js",
+    "compile": "node ./node_modules/coffeescript/bin/coffee -o compiled/ -c lib/",
+    "prepublish": "npm run update && echo $(pwd) > /tmp/.pwd && node ./node_modules/coffeescript/bin/coffee -o compiled/ -c lib/",
     "postpublish": "rm -rf $(cat /tmp/.pwd)/compiled"
   }
 }
diff --git a/switch.js b/switch.js
index 243884c..823d89e 100644
--- a/switch.js
+++ b/switch.js
@@ -2,7 +2,7 @@
 try {
     module.exports = require('./compiled');
 } catch(error) {
-    require('./node_modules/coffee-script');
+    require('./node_modules/coffeescript');
     module.exports = require('./lib');
 }