diff --git a/package-lock.json b/package-lock.json
index 05d7dd1e..a977fe6d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7015,6 +7015,7 @@
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           "integrity": "sha1-emNune1O/O+xnO9JR6PGffrukRs=",
           "dev": true,
+          "optional": true,
           "requires": {
             "hoek": "0.9.1"
           }
@@ -7091,7 +7092,8 @@
           "version": "0.9.1",
           "resolved": "https://registry.npmjs.org/hoek/-/hoek-0.9.1.tgz",
           "integrity": "sha1-PTIkYrrfB3Fup+uFuviAec3c5QU=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "http-signature": {
           "version": "0.10.1",
@@ -8031,15 +8033,6 @@
       "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI=",
       "dev": true
     },
-    "string_decoder": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
-      "dev": true,
-      "requires": {
-        "safe-buffer": "5.1.1"
-      }
-    },
     "string-length": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/string-length/-/string-length-1.0.1.tgz",
@@ -8060,6 +8053,15 @@
         "strip-ansi": "3.0.1"
       }
     },
+    "string_decoder": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "5.1.1"
+      }
+    },
     "stringmap": {
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/stringmap/-/stringmap-0.2.2.tgz",
@@ -8411,7 +8413,7 @@
     "ua-parser-js": {
       "version": "0.7.13",
       "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.13.tgz",
-      "integrity": "sha1-zZ3S+GSTs/RNvu7zeA/adMXuFL4=",
+      "integrity": "sha512-B/VKhEqutx82qFz9+2h0nHqV9EpFktf1R2kuxjLy6FS80fRBCa96YxJcOX04abmu1Twa5GZZWlHyb7qH8Hk8Og==",
       "dev": true
     },
     "uglify-js": {