diff --git a/package.json b/package.json
index 77d1e5ed..0b09f386 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "main": "dist/index.js",
   "dependencies": {
     "babel-runtime": "7.0.0-beta.3",
-    "bluebird": "2.9.25",
+    "bluebird": "3.5.5",
     "forest-express": "3.2.4",
     "http-errors": "1.7.2",
     "lodash": "4.17.13",
diff --git a/yarn.lock b/yarn.lock
index dc759eaf..dd71a126 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -779,10 +779,6 @@ bitwise-xor@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/bitwise-xor/-/bitwise-xor-0.0.0.tgz#040a8172b5bb8cc562b0b7119f230b2a1a780e3d"
 
-bluebird@2.9.25:
-  version "2.9.25"
-  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-2.9.25.tgz#6e36bd04064d9534c07160b9f7f26c5a738fe16a"
-
 bluebird@3.3.4:
   version "3.3.4"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.3.4.tgz#f780fe43e1a7a6510f67abd7d0d79533a40ddde6"
@@ -791,6 +787,11 @@ bluebird@3.5.1:
   version "3.5.1"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.1.tgz#d9551f9de98f1fcda1e683d17ee91a0602ee2eb9"
 
+bluebird@3.5.5:
+  version "3.5.5"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.5.tgz#a8d0afd73251effbbd5fe384a77d73003c17a71f"
+  integrity sha512-5am6HnnfN+urzt4yfg7IgTbotDjIT/u8AJpEt0sIU9FtXfVeezXAPKswrG+xKUCOYAINpSdgZVDU6QFh+cuH3w==
+
 body-parser@1.18.2:
   version "1.18.2"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.2.tgz#87678a19d84b47d859b83199bd59bce222b10454"