diff --git a/package-lock.json b/package-lock.json
index 5c0afb4d..e138848d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2337,7 +2337,8 @@
     "delayed-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
-      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
+      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
+      "optional": true
     },
     "deprecated": {
       "version": "0.0.1",
@@ -2792,7 +2793,8 @@
     "extsprintf": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
-      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
+      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
+      "optional": true
     },
     "fancy-log": {
       "version": "1.3.2",
@@ -3611,7 +3613,8 @@
         "hoek": {
           "version": "4.2.1",
           "resolved": "https://registry.npmjs.org/hoek/-/hoek-4.2.1.tgz",
-          "integrity": "sha512-QLg82fGkfnJ/4iy1xZ81/9SIJiq1NGFUMGs6ParyjBZr6jW2Ufj/snDqTHixNlHdPNwN2RLVD0Pi3igeK9+JfA=="
+          "integrity": "sha512-QLg82fGkfnJ/4iy1xZ81/9SIJiq1NGFUMGs6ParyjBZr6jW2Ufj/snDqTHixNlHdPNwN2RLVD0Pi3igeK9+JfA==",
+          "optional": true
         },
         "http-signature": {
           "version": "1.2.0",
@@ -4862,9 +4865,9 @@
       "integrity": "sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4="
     },
     "lodash.merge": {
-      "version": "4.6.0",
-      "resolved": "https://registry.npmjs.org/lodash.merge/-/lodash.merge-4.6.0.tgz",
-      "integrity": "sha1-aYhLoUSsM/5plzemCG3v+t0PicU="
+      "version": "4.6.2",
+      "resolved": "https://registry.npmjs.org/lodash.merge/-/lodash.merge-4.6.2.tgz",
+      "integrity": "sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ=="
     },
     "lodash.partialright": {
       "version": "4.2.1",
@@ -5114,12 +5117,14 @@
     "mime-db": {
       "version": "1.30.0",
       "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.30.0.tgz",
-      "integrity": "sha1-dMZD2i3Z1qRTmZY0ZbJtXKfXHwE="
+      "integrity": "sha1-dMZD2i3Z1qRTmZY0ZbJtXKfXHwE=",
+      "optional": true
     },
     "mime-types": {
       "version": "2.1.17",
       "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.17.tgz",
       "integrity": "sha1-Cdejk/A+mVp5+K+Fe3Cp4KsWVXo=",
+      "optional": true,
       "requires": {
         "mime-db": "~1.30.0"
       }