diff --git a/part-1-what-is-the-dom-and-dom-selectors/package-lock.json b/part-1-what-is-the-dom-and-dom-selectors/package-lock.json
index ee7cc7d..3944c49 100644
--- a/part-1-what-is-the-dom-and-dom-selectors/package-lock.json
+++ b/part-1-what-is-the-dom-and-dom-selectors/package-lock.json
@@ -2060,9 +2060,9 @@
       }
     },
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-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
       "dev": true
     },
     "lodash.isfinite": {