diff --git a/yarn.lock b/yarn.lock
index 4d4e008..a36351a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -145,8 +145,8 @@ brace-expansion@^1.1.7:
     concat-map "0.0.1"
 
 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"
 
 buffer-shims@~1.0.0:
   version "1.0.0"