diff --git a/work004_filesytem_commandlineargs/package-lock.json b/work004_filesytem_commandlineargs/package-lock.json
index a013f38..931651f 100644
--- a/work004_filesytem_commandlineargs/package-lock.json
+++ b/work004_filesytem_commandlineargs/package-lock.json
@@ -175,9 +175,9 @@
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     },
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-      "resolved": "https://registry.npmjs.org/validator/-/validator-13.0.0.tgz",
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+      "version": "13.7.0",
+      "resolved": "https://registry.npmjs.org/validator/-/validator-13.7.0.tgz",
+      "integrity": "sha512-nYXQLCBkpJ8X6ltALua9dRrZDHVYxjJ1wgskNt1lH9fzGjs3tgojGSCBjmEPwkWS1y29+DrizMTW19Pr9uB2nw=="
     },
     "which-module": {
       "version": "2.0.0",