diff --git a/package.json b/package.json
index e9303667..19e4097e 100755
--- a/package.json
+++ b/package.json
@@ -1,9 +1,10 @@
 {
   "name": "sharp",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "author": "Lovell Fuller <npm@lovell.info>",
   "contributors": [
-    "Pierre Inglebert <pierre.inglebert@gmail.com>"
+    "Pierre Inglebert <pierre.inglebert@gmail.com>",
+    "Jonathan Ong <jonathanrichardong@gmail.com>"
   ],
   "description": "High performance Node.js module to resize JPEG, PNG and WebP images using the libvips library",
   "scripts": {
@@ -32,12 +33,12 @@
   ],
   "dependencies": {
     "nan": "^1.1.2",
-    "bluebird": "^1.2.4",
+    "bluebird": "^2.0.5",
     "util-deprecate": "^1.0.0"
   },
   "devDependencies": {
     "imagemagick": "^0.1.3",
-    "imagemagick-native": "^1.0.0",
+    "imagemagick-native": "^1.1.1",
     "gm": "^1.16.0",
     "async": "^0.9.0",
     "benchmark": "^1.0.0"