diff --git a/package.json b/package.json
index 053f95b..86be0e0 100644
--- a/package.json
+++ b/package.json
@@ -24,15 +24,15 @@
   "dependencies": {
     "argparse": "1.0.x",
     "bluebird": "2.9.x",
-    "coffee-script": "1.9.1",
+    "coffee-script": "1.9.2",
     "ejs": "2.3.x",
-    "js-yaml": "3.2.x",
-    "lodash": "3.6.x",
+    "js-yaml": "3.3.x",
+    "lodash": "3.8.x",
     "ncp": "2.0.x",
     "readdirp": "1.3.x",
     "rimraf": "2.3.x",
     "underscore.string": "3.0.x",
-    "which": "1.0.x",
+    "which": "1.1.x",
     "minimatch": "2.0.x",
     "isbinaryfile": "2.0.x"
   },