diff --git a/yarn.lock b/yarn.lock
index ef0c075..c6423bb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -944,11 +944,6 @@ async@^2.6.1:
   dependencies:
     lodash "^4.17.14"
 
-async@^3.1.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/async/-/async-3.1.1.tgz#dd3542db03de837979c9ebbca64ca01b06dc98df"
-  integrity sha512-X5Dj8hK1pJNC2Wzo2Rcp9FBVdJMGRR/S7V+lH46s8GVFhtbo5O4Le5GECCF/8PISVdkUA6mMPvgz7qTTD1rf1g==
-
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
@@ -1106,9 +1101,9 @@ browserslist@^4.6.0, browserslist@^4.8.0:
     node-releases "^1.1.41"
 
 bson@^1.1.1, bson@~1.1.1:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/bson/-/bson-1.1.3.tgz#aa82cb91f9a453aaa060d6209d0675114a8154d3"
-  integrity sha512-TdiJxMVnodVS7r0BdL42y/pqC9cL2iKynVwA0Ho3qbsQYr428veL3l7BQyuqiw+Q5SqqoT0m4srSY/BlZ9AxXg==
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/bson/-/bson-1.1.6.tgz#fb819be9a60cd677e0853aee4ca712a785d6618a"
+  integrity sha512-EvVNVeGo4tHxwi8L6bPj3y3itEvStdwvvlojVxxbyYfoaxJ6keLgrTuKdyfEAszFK+H3olzBuafE0yoh0D1gdg==
 
 buffer-alloc-unsafe@^1.1.0:
   version "1.1.0"