diff --git a/package-lock.json b/package-lock.json
index 8422a2d0..a69ca69e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -338,6 +338,7 @@
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
+      "optional": true,
       "requires": {
         "kind-of": "^3.0.2",
         "longest": "^1.0.1",
@@ -348,6 +349,7 @@
           "version": "3.2.2",
           "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
           "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+          "optional": true,
           "requires": {
             "is-buffer": "^1.1.5"
           }
@@ -515,7 +517,8 @@
     "ast-types-flow": {
       "version": "0.0.7",
       "resolved": "https://registry.npmjs.org/ast-types-flow/-/ast-types-flow-0.0.7.tgz",
-      "integrity": "sha1-9wtzXGvKGlycItmCw+Oef+ujva0="
+      "integrity": "sha1-9wtzXGvKGlycItmCw+Oef+ujva0=",
+      "optional": true
     },
     "async": {
       "version": "1.5.2",
@@ -2044,7 +2047,8 @@
         "pify": {
           "version": "2.3.0",
           "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
-          "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw="
+          "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
+          "optional": true
         },
         "read-pkg": {
           "version": "2.0.0",
@@ -2475,9 +2479,9 @@
       }
     },
     "fs-extra": {
-      "version": "6.0.1",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-6.0.1.tgz",
-      "integrity": "sha512-GnyIkKhhzXZUWFCaJzvyDLEEgDkPfb4/TPvJCJVuS8MWZgoSsErf++QpiAlDnKFcqhRlm+tIOcencCjyJE6ZCA==",
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.0.tgz",
+      "integrity": "sha512-EglNDLRpmaTWiD/qraZn6HREAEAHJcJOmxNEYwq6xeMKnVMAy3GUcFB+wXt2C6k4CNvB/mP1y/U3dzvKKj5OtQ==",
       "requires": {
         "graceful-fs": "^4.1.2",
         "jsonfile": "^4.0.0",
@@ -2530,12 +2534,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2550,17 +2556,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2677,7 +2686,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -2689,6 +2699,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2703,6 +2714,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -2710,12 +2722,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -2734,6 +2748,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2814,7 +2829,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2826,6 +2842,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2947,6 +2964,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -3983,6 +4001,7 @@
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/jsx-ast-utils/-/jsx-ast-utils-2.0.1.tgz",
       "integrity": "sha1-6AGxs5mF4g//yHtA43SAgOLcrH8=",
+      "optional": true,
       "requires": {
         "array-includes": "^3.0.3"
       }
@@ -4472,7 +4491,8 @@
     "longest": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
-      "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc="
+      "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
+      "optional": true
     },
     "loose-envify": {
       "version": "1.4.0",
@@ -4937,6 +4957,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -5879,7 +5900,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "lru-cache": {
           "version": "4.1.3",
@@ -7604,6 +7626,7 @@
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.8.1.tgz",
       "integrity": "sha512-AicPrAC7Qu1JxPCZ9ZgCZlY35QgFnNqc+0LtbRNxnVw4TXvjQ72wnuL9JQcEBgXkI9JM8MsT9kaQoHcpCRJOYA==",
+      "optional": true,
       "requires": {
         "path-parse": "^1.0.5"
       }
diff --git a/package.json b/package.json
index 6cea0970..02f29e2b 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "@commitlint/config-conventional": "^7.0.0",
     "@commitlint/travis-cli": "^7.0.0",
     "eslint": "^5.0.1",
-    "fs-extra": "^6.0.0",
+    "fs-extra": "^7.0.0",
     "husky": "^0.14.3",
     "lint-staged": "^7.0.0",
     "markdownlint-cli": "^0.11.0",