diff --git a/demos/demo-4/package-lock.json b/demos/demo-4/package-lock.json
index c89efa9..5123a99 100644
--- a/demos/demo-4/package-lock.json
+++ b/demos/demo-4/package-lock.json
@@ -4747,9 +4747,9 @@
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 		},
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-			"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
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+			"version": "4.17.21",
+			"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+			"integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
 			"dev": true
 		},
 		"lodash.clone": {