diff --git a/yarn.lock b/yarn.lock
index 0029b99..dea5d36 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7887,10 +7887,9 @@ uglify-js@^3.5.1:
     source-map "~0.6.1"
 
 undefsafe@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.npm.taobao.org/undefsafe/download/undefsafe-2.0.2.tgz#225f6b9e0337663e0d8e7cfd686fc2836ccace76"
-  dependencies:
-    debug "^2.2.0"
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/undefsafe/-/undefsafe-2.0.5.tgz#38733b9327bdcd226db889fb723a6efd162e6e2c"
+  integrity sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==
 
 unfetch@^4.1.0:
   version "4.1.0"