diff --git a/lib/python2.7/site-packages/jupyterlab/staging/yarn.lock b/lib/python2.7/site-packages/jupyterlab/staging/yarn.lock
index 6ef0a36fb..6d93b2c9c 100644
--- a/lib/python2.7/site-packages/jupyterlab/staging/yarn.lock
+++ b/lib/python2.7/site-packages/jupyterlab/staging/yarn.lock
@@ -1390,8 +1390,8 @@ chokidar@^1.7.0:
     fsevents "^1.0.0"
 
 chownr@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.npmjs.org/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
 
 cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
   version "1.0.4"