diff --git a/yarn.lock b/yarn.lock
index 468f191..e9aee6f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1316,8 +1316,8 @@ bser@1.0.2:
     node-int64 "^0.4.0"
 
 bson@~1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/bson/-/bson-1.0.4.tgz#93c10d39eaa5b58415cbc4052f3e53e562b0b72c"
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/bson/-/bson-1.0.9.tgz#12319f8323b1254739b7c6bef8d3e89ae05a2f57"
 
 buble@^0.12.0:
   version "0.12.5"