diff --git a/package-lock.json b/package-lock.json
index 63fcc40..da6448f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -703,6 +703,7 @@
             "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
             "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
             "dev": true,
+            "optional": true,
             "requires": {
                 "kind-of": "^3.0.2",
                 "longest": "^1.0.1",
@@ -714,6 +715,7 @@
                     "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"
                     }
@@ -1073,7 +1075,8 @@
             "version": "1.1.0",
             "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.0.tgz",
             "integrity": "sha512-c5mRlguI/Pe2dSZmpER62rSCu0ryKmWddzRYsuXc50U2/g8jMOulc31VZMa4mYx31U5xsmSOpDCgH88Vl9cDGQ==",
-            "dev": true
+            "dev": true,
+            "optional": true
         },
         "builtin-modules": {
             "version": "1.1.1",
@@ -2316,6 +2319,26 @@
             "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
             "dev": true
         },
+        "fstream": {
+            "version": "1.0.12",
+            "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
+            "integrity": "sha512-WvJ193OHa0GHPEL+AycEJgxvBEwyfRkN1vhjca23OaPVMCaLCXTd5qAu82AjTcgP1UJmytkOKb63Ypde7raDIg==",
+            "dev": true,
+            "requires": {
+                "graceful-fs": "^4.1.2",
+                "inherits": "~2.0.0",
+                "mkdirp": ">=0.5 0",
+                "rimraf": "2"
+            },
+            "dependencies": {
+                "graceful-fs": {
+                    "version": "4.2.4",
+                    "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.4.tgz",
+                    "integrity": "sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==",
+                    "dev": true
+                }
+            }
+        },
         "function-bind": {
             "version": "1.1.1",
             "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
@@ -3988,7 +4011,8 @@
             "version": "1.0.1",
             "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
             "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-            "dev": true
+            "dev": true,
+            "optional": true
         },
         "loose-envify": {
             "version": "1.4.0",
@@ -5331,17 +5355,6 @@
                     "bundled": true,
                     "dev": true
                 },
-                "fstream": {
-                    "version": "1.0.11",
-                    "bundled": true,
-                    "dev": true,
-                    "requires": {
-                        "graceful-fs": "^4.1.2",
-                        "inherits": "~2.0.0",
-                        "mkdirp": ">=0.5 0",
-                        "rimraf": "2"
-                    }
-                },
                 "gauge": {
                     "version": "2.7.4",
                     "bundled": true,
@@ -7560,6 +7573,7 @@
                     "version": "0.1.4",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "kind-of": "^3.0.2",
                         "longest": "^1.0.1",
@@ -8502,7 +8516,8 @@
                 "longest": {
                     "version": "1.0.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "lru-cache": {
                     "version": "4.1.3",