diff --git a/yarn.lock b/yarn.lock
index 56f77e8..e226dc9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -759,8 +759,8 @@ expand-template@^1.0.2:
   resolved "http://registry.npm.taobao.org/expand-template/download/expand-template-1.1.0.tgz#e09efba977bf98f9ee0ed25abd0c692e02aec3fc"
 
 extend@~3.0.0:
-  version "3.0.1"
-  resolved "http://registry.npm.taobao.org/extend/download/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
 
 extract-zip@^1.0.3:
   version "1.6.5"