diff --git a/demo/package-lock.json b/demo/package-lock.json
index 7c7afe06..8d4baaf9 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -23630,9 +23630,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.15",
-      "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=="
     },
     "lodash-es": {
       "version": "4.17.15",
diff --git a/demo/package.json b/demo/package.json
index 6c421564..0bce37e5 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -21,7 +21,7 @@
     "less": "^3.12.2",
     "less-loader": "^4.0.5",
     "less-vars-to-js": "^1.1.2",
-    "lodash": "^4.17.4",
+    "lodash": "^4.17.21",
     "node-notifier": "^8.0.0",
     "react-dev-utils": "10.0.0",
     "react-draggable": "^3.0.3",