diff --git a/package.json b/package.json
index c6873eb..879fda4 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
   "dependencies": {
     "any-promise": "^1.1.0",
     "arrify": "^1.0.1",
-    "bluebird": "^3.1.1",
+    "bluebird": "^3.4.4",
     "chalk": "^1.1.1",
     "make-error-cause": "^1.2.1",
     "minimist": "^1.2.0",