diff --git a/20-tensorflow.js/package-lock.json b/20-tensorflow.js/package-lock.json
index 47625276..e433659e 100644
--- a/20-tensorflow.js/package-lock.json
+++ b/20-tensorflow.js/package-lock.json
@@ -1107,9 +1107,9 @@
       "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
     },
     "tar": {
-      "version": "4.4.13",
-      "resolved": "https://registry.npm.taobao.org/tar/download/tar-4.4.13.tgz",
-      "integrity": "sha1-Q7NkvFKIjVVSmGN7ENYHkCVKtSU=",
+      "version": "4.4.15",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.15.tgz",
+      "integrity": "sha512-ItbufpujXkry7bHH9NpQyTXPbJ72iTlXgkBAYsAjDXk3Ds8t/3NfO5P4xZGy7u+sYuQUbimgzswX4uQIEeNVOA==",
       "requires": {
         "chownr": "^1.1.1",
         "fs-minipass": "^1.2.5",