diff --git a/package.json b/package.json
index f66349993..35b3a698f 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "json-stringify-safe": "~5.0.1",
     "mime-types": "~2.1.7",
     "node-uuid": "~1.4.7",
-    "oauth-sign": "~0.8.0",
+    "oauth-sign": "~0.8.1",
     "qs": "~6.1.0",
     "stringstream": "~0.0.4",
     "tough-cookie": "~2.2.0",
@@ -52,7 +52,7 @@
     "lint": "eslint lib/ *.js tests/ && echo Lint passed."
   },
   "devDependencies": {
-    "bluebird": "^3.0.2",
+    "bluebird": "^3.2.1",
     "browserify": "^12.0.2",
     "browserify-istanbul": "^0.1.5",
     "buffer-equal": "^1.0.0",