diff --git a/rn_demos/yarn.lock b/rn_demos/yarn.lock
index 114468e..9b54dde 100644
--- a/rn_demos/yarn.lock
+++ b/rn_demos/yarn.lock
@@ -3429,8 +3429,8 @@ lodash.unescape@4.0.1:
   resolved "https://registry.npm.taobao.org/lodash.unescape/download/lodash.unescape-4.0.1.tgz#bf2249886ce514cda112fae9218cdc065211fc9c"
 
 lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.5, lodash@^4.3.0, lodash@^4.6.1:
-  version "4.17.11"
-  resolved "https://registry.npm.taobao.org/lodash/download/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 log-symbols@^2.2.0:
   version "2.2.0"