diff --git a/package-lock.json b/package-lock.json
index 69fe95b..31341ff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9373,9 +9373,9 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
     },
     "ua-parser-js": {
-      "version": "0.7.21",
-      "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.21.tgz",
-      "integrity": "sha512-+O8/qh/Qj8CgC6eYBVBykMrNtp5Gebn4dlGD/kKXVkJNDwyrAwSIqwz8CDf+tsAIWVycKcku6gIXJ0qwx/ZXaQ=="
+      "version": "0.7.28",
+      "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.28.tgz",
+      "integrity": "sha512-6Gurc1n//gjp9eQNXjD9O3M/sMwVtN5S8Lv9bvOYBfKfDNiIIhqiyi01vMBO45u4zkDE420w/e0se7Vs+sIg+g=="
     },
     "uglify-js": {
       "version": "3.4.10",
@@ -9914,7 +9914,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+          "optional": true
         },
         "string_decoder": {
           "version": "1.1.1",