diff --git a/yarn.lock b/yarn.lock
index 467d0b6..151efed 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3280,8 +3280,8 @@ extend-shallow@^3.0.0, extend-shallow@^3.0.2:
     is-extendable "^1.0.1"
 
 extend@3, extend@^3.0.0, extend@~3.0.0, extend@~3.0.1:
-  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"
 
 external-editor@^2.0.4:
   version "2.2.0"