diff --git a/package-lock.json b/package-lock.json
index 53ce60a..044779c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -258,6 +258,7 @@
       "version": "2.10.1",
       "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
       "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
+      "optional": true,
       "requires": {
         "hoek": "2.16.3"
       }
@@ -281,17 +282,17 @@
       "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.0.tgz",
       "integrity": "sha512-P4O8UQRdGiMLWSizsApmXVQDBS6KCt7dSexgLKBmH5Hr1CZq7vsnscFh8oR1sP1ab1Zj0uCHCEzZeV6SfUf3rA==",
       "requires": {
-        "arr-flatten": "1.1.0",
-        "array-unique": "0.3.2",
-        "define-property": "1.0.0",
-        "extend-shallow": "2.0.1",
-        "fill-range": "4.0.0",
-        "isobject": "3.0.1",
-        "repeat-element": "1.1.2",
-        "snapdragon": "0.8.1",
-        "snapdragon-node": "2.1.1",
-        "split-string": "3.1.0",
-        "to-regex": "3.0.1"
+        "arr-flatten": "^1.1.0",
+        "array-unique": "^0.3.2",
+        "define-property": "^1.0.0",
+        "extend-shallow": "^2.0.1",
+        "fill-range": "^4.0.0",
+        "isobject": "^3.0.1",
+        "repeat-element": "^1.1.2",
+        "snapdragon": "^0.8.1",
+        "snapdragon-node": "^2.0.1",
+        "split-string": "^3.0.2",
+        "to-regex": "^3.0.1"
       }
     },
     "cache-base": {
@@ -465,6 +466,7 @@
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
       "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
+      "optional": true,
       "requires": {
         "delayed-stream": "1.0.0"
       }
@@ -562,7 +564,8 @@
     "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",
@@ -727,7 +730,8 @@
     "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",
@@ -1157,7 +1161,8 @@
     "hoek": {
       "version": "2.16.3",
       "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
-      "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0="
+      "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
+      "optional": true
     },
     "homedir-polyfill": {
       "version": "1.0.1",
@@ -1675,12 +1680,14 @@
     "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"
       }