diff --git a/package.json b/package.json
index 5cda924..fd0733d 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   "dependencies": {
     "accepts": "^1.3.3",
     "animated-gif-detector": "^1.2.0",
-    "bluebird": "^3.3.4",
+    "bluebird": "3.7.1",
     "createerror": "^1.1.0",
     "exif-reader": "^1.0.2",
     "gm-papandreou": "^1.23.0-patch1",