diff --git a/react-16.3/yarn.lock b/react-16.3/yarn.lock
index 4864156..7052ad9 100644
--- a/react-16.3/yarn.lock
+++ b/react-16.3/yarn.lock
@@ -334,8 +334,8 @@ json5@^0.5.1:
   resolved "http://registry.npm.taobao.org/json5/download/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
 
 lodash@^4.17.4:
-  version "4.17.5"
-  resolved "http://registry.npm.taobao.org/lodash/download/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 loose-envify@^1.0.0, loose-envify@^1.1.0, loose-envify@^1.3.1:
   version "1.3.1"