diff --git a/package-lock.json b/package-lock.json
index 9667991..64ed3a5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1290,13 +1290,20 @@
       "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
     },
     "fs-extra": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.0.tgz",
-      "integrity": "sha512-EglNDLRpmaTWiD/qraZn6HREAEAHJcJOmxNEYwq6xeMKnVMAy3GUcFB+wXt2C6k4CNvB/mP1y/U3dzvKKj5OtQ==",
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
+      "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
       "requires": {
-        "graceful-fs": "4.1.11",
-        "jsonfile": "4.0.0",
-        "universalify": "0.1.2"
+        "graceful-fs": "^4.2.0",
+        "jsonfile": "^4.0.0",
+        "universalify": "^0.1.0"
+      },
+      "dependencies": {
+        "graceful-fs": {
+          "version": "4.2.0",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.0.tgz",
+          "integrity": "sha512-jpSvDPV4Cq/bgtpndIWbI5hmYxhQGHPC4d4cqBPb4DLniCfhJokdXhwhaDuLBGLQdvvRum/UiX6ECVIPvDXqdg=="
+        }
       }
     },
     "fs.realpath": {
@@ -1621,7 +1628,7 @@
       "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
       "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
       "requires": {
-        "graceful-fs": "4.1.11"
+        "graceful-fs": "^4.1.6"
       }
     },
     "jsx-ast-utils": {
@@ -2743,9 +2750,9 @@
           }
         },
         "ms": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
-          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
           "dev": true
         }
       }
diff --git a/package.json b/package.json
index a0f047b..b58ee06 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "connect-history-api-fallback": "^1.5.0",
     "express": "^4.16.2",
     "express-minify": "^1.0.0",
-    "fs-extra": "7.0.0",
+    "fs-extra": "8.1.0",
     "lodash.defaultsdeep": "^4.6.0",
     "mkdirp": "^0.5.1",
     "portfinder": "^1.0.13",