diff --git a/Video-Crypto_backend/package-lock.json b/Video-Crypto_backend/package-lock.json
index b80af50..8bb8671 100644
--- a/Video-Crypto_backend/package-lock.json
+++ b/Video-Crypto_backend/package-lock.json
@@ -811,9 +811,9 @@
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     },
     "lodash": {
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-      "resolved": "https://registry.npm.taobao.org/lodash/download/lodash-4.17.15.tgz",
-      "integrity": "sha1-tEf2ZwoEVbv+7dETku/zMOoJdUg="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "long": {
       "version": "3.2.0",