diff --git a/package-lock.json b/package-lock.json
index d4b5190..c3e9de0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1968,6 +1968,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -2738,7 +2739,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "loose-envify": {
           "version": "1.2.0",
@@ -3498,9 +3500,9 @@
       "dev": true
     },
     "qs": {
-      "version": "6.3.2",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.3.2.tgz",
-      "integrity": "sha1-51vV9uJoEioqDgvaYwslUMFmUCw=",
+      "version": "6.3.3",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.3.3.tgz",
+      "integrity": "sha512-f8CQ/sKJBr9vfNJBdGiPzTSPUufuWyvOFkCYJKN9voqPWuBuhdlSZM78dOHKigtZ0BwuktYGrRFW2DXXc/f2Fg==",
       "dev": true
     },
     "read-pkg": {