diff --git a/example/package-lock.json b/example/package-lock.json
index c785d31..baa3dc7 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -235,11 +235,6 @@
       "integrity": "sha512-ce5d3q03Ex0sy4R14722Rmt6MT07Ua+k4FwDfdcToYJcMKNtRVQvJ6JCAPdAmAnbRb6CsX6aYb9m96NGod9uTw==",
       "dev": true
     },
-    "@types/validator": {
-      "version": "13.0.0",
-      "resolved": "https://registry.npmjs.org/@types/validator/-/validator-13.0.0.tgz",
-      "integrity": "sha512-WAy5txG7aFX8Vw3sloEKp5p/t/Xt8jD3GRD9DacnFv6Vo8ubudAsRTXgxpQwU0mpzY/H8U4db3roDuCMjShBmw=="
-    },
     "@types/webpack-env": {
       "version": "1.14.1",
       "resolved": "https://registry.npmjs.org/@types/webpack-env/-/webpack-env-1.14.1.tgz",
@@ -1809,17 +1804,6 @@
         }
       }
     },
-    "class-validator": {
-      "version": "0.12.2",
-      "resolved": "https://registry.npmjs.org/class-validator/-/class-validator-0.12.2.tgz",
-      "integrity": "sha512-TDzPzp8BmpsbPhQpccB3jMUE/3pK0TyqamrK0kcx+ZeFytMA+O6q87JZZGObHHnoo9GM8vl/JppIyKWeEA/EVw==",
-      "requires": {
-        "@types/validator": "13.0.0",
-        "google-libphonenumber": "^3.2.8",
-        "tslib": ">=1.9.0",
-        "validator": "13.0.0"
-      }
-    },
     "clean-css": {
       "version": "4.2.1",
       "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.2.1.tgz",
@@ -3934,11 +3918,6 @@
         "slash": "^2.0.0"
       }
     },
-    "google-libphonenumber": {
-      "version": "3.2.15",
-      "resolved": "https://registry.npmjs.org/google-libphonenumber/-/google-libphonenumber-3.2.15.tgz",
-      "integrity": "sha512-tbCIuzMoH34RdrbFRw5kijAZn/p6JMQvsgtr1glg2ugbwqrMPlOL8pHNK8cyGo9B6SXpcMm4hdyDqwomR+HPRg=="
-    },
     "graceful-fs": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
@@ -7237,9 +7216,9 @@
       "dev": true
     },
     "qs": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
-      "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
+      "version": "6.5.3",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.3.tgz",
+      "integrity": "sha512-qxXIEh4pCGfHICj1mAJQ2/2XVZkjCDTcEgfoSQxc/fYivUZxTkk7L3bDBJSoNrEzXI17oUO5Dp07ktqE5KzczA==",
       "dev": true
     },
     "query-string": {
@@ -8808,7 +8787,8 @@
     "tslib": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.10.0.tgz",
-      "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ=="
+      "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==",
+      "dev": true
     },
     "tslint": {
       "version": "5.20.1",
@@ -9166,11 +9146,6 @@
         "spdx-expression-parse": "^3.0.0"
       }
     },
-    "validator": {
-      "version": "13.0.0",
-      "resolved": "https://registry.npmjs.org/validator/-/validator-13.0.0.tgz",
-      "integrity": "sha512-anYx5fURbgF04lQV18nEQWZ/3wHGnxiKdG4aL8J+jEDsm98n/sU/bey+tYk6tnGJzm7ioh5FoqrAiQ6m03IgaA=="
-    },
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",