diff --git a/package-lock.json b/package-lock.json
index b0ca8e7..daff62c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1085,6 +1085,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "3.2.2",
             "longest": "1.0.1",
@@ -1877,7 +1878,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "loose-envify": {
           "version": "1.3.1",
@@ -2743,7 +2745,7 @@
     "qs": {
       "version": "6.3.2",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.3.2.tgz",
-      "integrity": "sha1-51vV9uJoEioqDgvaYwslUMFmUCw=",
+      "integrity": "sha512-H7Es34wXu+JjuD3QLwVgqtVU1nisFhwxYdYCYSFzWyP5/S4s8DtJ6rbVWdHVat/UPYiV36wxYmL7rPbLQJrX7g==",
       "dev": true
     },
     "readable-stream": {