diff --git a/Cakefile b/Cakefile
index 1c17878..4786dde 100644
--- a/Cakefile
+++ b/Cakefile
@@ -95,7 +95,7 @@ browserifyMin = (standalone, cb) ->
 
 test = (cb) ->
   p = child_process.spawn MOCHA_PATH,
-      ['--compilers', 'coffee:coffee-script', '-R', 'spec'],
+      ['--compilers', 'coffee:coffee-script/register', '-R', 'spec'],
       { stdio: 'inherit' }
 
   p.on 'close', (code) ->
diff --git a/package.json b/package.json
index 3142890..13bcb5c 100644
--- a/package.json
+++ b/package.json
@@ -23,13 +23,13 @@
     "typewriter"
   ],
   "dependencies": {
-    "coffee-script": "~1.6.3",
-    "browserify": "~2.35.2",
-    "uglify-js": "~2.4.3"
+    "coffee-script": "~1.7.1",
+    "browserify": "~4.2.1",
+    "uglify-js": "~2.4.15"
   },
   "devDependencies": {
-    "mocha": "~1.14.0",
-    "archiver": "~0.4.10"
+    "mocha": "~1.20.1",
+    "archiver": "~0.10.1"
   },
   "bundledDependencies": [],
   "license": "MIT",