diff --git a/demo-angular/package-lock.json b/demo-angular/package-lock.json
index 806a7ff..90e1a2d 100644
--- a/demo-angular/package-lock.json
+++ b/demo-angular/package-lock.json
@@ -6501,11 +6501,6 @@
           "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
           "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
         },
-        "y18n": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-          "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w=="
-        },
         "yargs": {
           "version": "13.1.0",
           "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.1.0.tgz",
@@ -6520,7 +6515,6 @@
             "set-blocking": "^2.0.0",
             "string-width": "^3.0.0",
             "which-module": "^2.0.0",
-            "y18n": "^4.0.0",
             "yargs-parser": "^13.0.0"
           }
         },
@@ -8893,9 +8887,9 @@
       "dev": true
     },
     "y18n": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.1.tgz",
+      "integrity": "sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==",
       "dev": true
     },
     "yallist": {