diff --git a/examples/yarn.lock b/examples/yarn.lock
index 6a0d6c3..f96d0ef 100644
--- a/examples/yarn.lock
+++ b/examples/yarn.lock
@@ -2733,8 +2733,8 @@ lodash.uniq@^4.5.0:
   resolved "http://registry.npm.taobao.org/lodash.uniq/download/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
 lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.4, lodash@~4.17.4:
-  version "4.17.4"
-  resolved "http://registry.npm.taobao.org/lodash/download/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 loglevel@^1.4.1:
   version "1.6.0"