diff --git a/package-lock.json b/package-lock.json
index 1690cd1..48e4a96 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -860,6 +860,7 @@
       "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.x.x"
       }
@@ -2563,7 +2564,8 @@
     "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
     },
     "home-or-tmp": {
       "version": "2.0.0",
@@ -3814,9 +3816,9 @@
       }
     },
     "semver": {
-      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.0.tgz",
-      "integrity": "sha512-4SJ3dm0WAwWy/NVeioZh5AntkdJoWKxHxcmyP622fOkgHa4z3R0TdBJICINyaSDE6uNwVc8gZr+ZinwZAH4xIA=="
+      "version": "5.7.2",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",
+      "integrity": "sha512-cBznnQ9KjJqU67B52RMC65CMarK2600WFnbkcaiwWq3xy/5haFJlshgnpjovMVJ+Hff49d8GEn0b87C5pDQ10g=="
     },
     "send": {
       "version": "0.16.2",
@@ -4263,7 +4265,7 @@
         },
         "mkdirp": {
           "version": "0.3.5",
-          "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.3.5.tgz",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.3.5.tgz",
           "integrity": "sha1-3j5fiWHIjHh+4TaN+EmsRBPsqNc="
         }
       }