diff --git a/yarn.lock b/yarn.lock
index db4da8c..d4e96e8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9163,10 +9163,8 @@ uglifyjs-webpack-plugin@^0.4.6:
     webpack-sources "^1.0.1"
 
 undefsafe@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/undefsafe/-/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"
 
 unicode-canonical-property-names-ecmascript@^1.0.4:
   version "1.0.4"