diff --git a/yarn.lock b/yarn.lock
index 5b1fa7c95..fcc926213 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6379,8 +6379,8 @@ write@^0.2.1:
     mkdirp "^0.5.1"
 
 ws@^1.1.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-1.1.1.tgz#082ddb6c641e85d4bb451f03d52f06eabdb1f018"
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-1.1.5.tgz#cbd9e6e75e09fc5d2c90015f21f0c40875e0dd51"
   dependencies:
     options ">=0.0.5"
     ultron "1.0.x"