diff --git a/package-lock.json b/package-lock.json
index 80a5b84..f1d2cbe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -694,9 +694,9 @@
             }
         },
         "dot-prop": {
-            "version": "4.2.0",
-            "resolved": "https://registry.npm.taobao.org/dot-prop/download/dot-prop-4.2.0.tgz?cache=0&sync_timestamp=1572620518450&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fdot-prop%2Fdownload%2Fdot-prop-4.2.0.tgz",
-            "integrity": "sha1-HxngwuGqDjJ5fEl5nyg3rGr2nFc=",
+            "version": "4.2.1",
+            "resolved": "https://registry.npmjs.org/dot-prop/-/dot-prop-4.2.1.tgz",
+            "integrity": "sha512-l0p4+mIuJIua0mhxGoh4a+iNL9bmeK5DvnSVQa6T0OhrVmaEa1XScX5Etc673FePCJOArq/4Pa2cLGODUWTPOQ==",
             "requires": {
                 "is-obj": "^1.0.0"
             }