diff --git a/package-lock.json b/package-lock.json
index bf7abfc..b0da788 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -256,11 +256,6 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
-    "core-js": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.2.1.tgz",
-      "integrity": "sha512-Qa5XSVefSVPRxy2XfUC13WbvqkxhkwB3ve+pgCQveNgYzbM/UxZeu1dcOX/xr4UmfUd+muuvsaxilQzCyUurMw=="
-    },
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
@@ -1746,11 +1741,6 @@
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
       "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
     },
-    "validator": {
-      "version": "11.1.0",
-      "resolved": "https://registry.npmjs.org/validator/-/validator-11.1.0.tgz",
-      "integrity": "sha512-qiQ5ktdO7CD6C/5/mYV4jku/7qnqzjrxb3C/Q5wR3vGGinHTgJZN/TdFT3ZX4vXhX2R1PXx42fB1cn5W+uJ4lg=="
-    },
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -1786,15 +1776,21 @@
       }
     },
     "z-schema": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/z-schema/-/z-schema-4.1.1.tgz",
-      "integrity": "sha512-0aKvR9FgrghUXXndYNDmAEazl8jykuHSkqkmPw2ZSuTWuLcEscn1zUTbR3LEfyxHl5EEHpqqOpF+Sd7wZvuDxw==",
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/z-schema/-/z-schema-4.2.4.tgz",
+      "integrity": "sha512-YvBeW5RGNeNzKOUJs3rTL4+9rpcvHXt5I051FJbOcitV8bl40pEfcG0Q+dWSwS0/BIYrMZ/9HHoqLllMkFhD0w==",
       "requires": {
         "commander": "^2.7.1",
-        "core-js": "^3.2.1",
         "lodash.get": "^4.4.2",
         "lodash.isequal": "^4.5.0",
-        "validator": "^11.0.0"
+        "validator": "^13.6.0"
+      },
+      "dependencies": {
+        "validator": {
+          "version": "13.9.0",
+          "resolved": "https://registry.npmjs.org/validator/-/validator-13.9.0.tgz",
+          "integrity": "sha512-B+dGG8U3fdtM0/aNK4/X8CXq/EcxU2WPrPEkJGslb47qyHsxmbggTWK0yEA4qnYVNF+nxNlN88o14hIcPmSIEA=="
+        }
       }
     }
   }