diff --git a/yarn.lock b/yarn.lock
index 228bf1c..28353cb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6254,11 +6254,9 @@ uglify-js@^3.1.4:
     commander "~2.20.3"
 
 undefsafe@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/undefsafe/-/undefsafe-2.0.2.tgz#225f6b9e0337663e0d8e7cfd686fc2836ccace76"
-  integrity sha1-Il9rngM3Zj4Njnz9aG/Cg2zKznY=
-  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==
 
 union-value@^1.0.0:
   version "1.0.1"