diff --git a/yarn.lock b/yarn.lock
index 5798477..69c6535 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -17,8 +17,8 @@ bluebird@3.5.0:
   resolved "http://registry.npm.taobao.org/bluebird/download/bluebird-3.5.0.tgz#791420d7f551eea2897453a8a77653f96606d67c"
 
 bson@~1.0.4:
-  version "1.0.4"
-  resolved "http://registry.npm.taobao.org/bson/download/bson-1.0.4.tgz#93c10d39eaa5b58415cbc4052f3e53e562b0b72c"
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/bson/-/bson-1.0.9.tgz#12319f8323b1254739b7c6bef8d3e89ae05a2f57"
 
 buffer-shims@~1.0.0:
   version "1.0.0"