diff --git a/package-lock.json b/package-lock.json
index 4c2f4c7..edf1887 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -136,6 +136,7 @@
           "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
           "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
           "dev": true,
+          "optional": true,
           "requires": {
             "is-extendable": "^0.1.0"
           }
@@ -198,6 +199,7 @@
           "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
           "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2"
           }
@@ -207,6 +209,7 @@
           "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
           "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
           "dev": true,
+          "optional": true,
           "requires": {
             "is-buffer": "^1.1.5"
           }
@@ -6003,13 +6006,10 @@
       "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
     },
     "json5": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-2.1.3.tgz",
-      "integrity": "sha512-KXPvOm8K9IJKFM0bmdn8QXh7udDh1g/giieX0NLCaMnb4hEiVFqnop2ImTXCc5e0/oHz3LTqmHGtExn5hfMkOA==",
-      "dev": true,
-      "requires": {
-        "minimist": "^1.2.5"
-      }
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",
+      "integrity": "sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg==",
+      "dev": true
     },
     "jsprim": {
       "version": "1.4.1",