diff --git a/package.json b/package.json
index 1208e147..19b4a55b 100755
--- a/package.json
+++ b/package.json
@@ -42,15 +42,15 @@
     "vips"
   ],
   "dependencies": {
-    "bluebird": "^2.9.14",
+    "bluebird": "^2.9.24",
     "color": "^0.8.0",
-    "nan": "^1.6.2",
-    "semver": "^4.3.1"
+    "nan": "^1.7.0",
+    "semver": "^4.3.3"
   },
   "devDependencies": {
-    "mocha": "^2.1.0",
-    "mocha-jshint": "^2.1.1",
-    "istanbul": "^0.3.6",
+    "mocha": "^2.2.4",
+    "mocha-jshint": "^2.2.0",
+    "istanbul": "^0.3.13",
     "coveralls": "^2.11.2",
     "node-cpplint": "^0.4.0",
     "rimraf": "^2.3.2",