diff --git a/package-lock.json b/package-lock.json
index 5e2fbc7..aa2ffa4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
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@@ -4379,6 +4442,12 @@
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             "es6-promisify": "^5.0.0"
           }
@@ -14619,6 +14996,15 @@
       "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
       "dev": true
     },
+    "strip-outer": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/strip-outer/-/strip-outer-1.0.1.tgz",
+      "integrity": "sha512-k55yxKHwaXnpYGsOzg4Vl8+tDrWylxDEpknGjhTiZB8dFRU5rTo9CAzeycivxV3s+zlTKwrs6WxMxR95n26kwg==",
+      "dev": true,
+      "requires": {
+        "escape-string-regexp": "^1.0.2"
+      }
+    },
     "style-loader": {
       "version": "0.20.3",
       "resolved": "https://registry.npmjs.org/style-loader/-/style-loader-0.20.3.tgz",
@@ -14953,7 +15339,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
       "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "toposort": {
       "version": "1.0.7",
@@ -14985,6 +15372,15 @@
       "integrity": "sha1-WIeWa7WCpFA6QetST301ARgVphM=",
       "dev": true
     },
+    "trim-repeated": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/trim-repeated/-/trim-repeated-1.0.0.tgz",
+      "integrity": "sha512-pkonvlKk8/ZuR0D5tLW8ljt5I8kmxp2XKymhepUeOdCEfKpZaktSArkLHZt76OB1ZvO9bssUsDty4SWhLvZpLg==",
+      "dev": true,
+      "requires": {
+        "escape-string-regexp": "^1.0.2"
+      }
+    },
     "trim-right": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz",
@@ -15148,7 +15544,8 @@
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.7.0.tgz",
       "integrity": "sha1-a7rwh3UA02vjTsqlhODbn+8DUgk=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "union-value": {
       "version": "1.0.1",
@@ -15330,12 +15727,6 @@
         "requires-port": "^1.0.0"
       }
     },
-    "url2": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/url2/-/url2-0.0.0.tgz",
-      "integrity": "sha1-Tqq9HVw6yQ1iq0SFyZhCKGWgSxo=",
-      "dev": true
-    },
     "use": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
@@ -15868,12 +16259,6 @@
         "defaults": "^1.0.3"
       }
     },
-    "weak-map": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/weak-map/-/weak-map-1.0.0.tgz",
-      "integrity": "sha1-tm5Wqd8L0lp2u/G1FNsSkIBhSjc=",
-      "dev": true
-    },
     "webpack": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.1.1.tgz",
@@ -16851,12 +17236,6 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
-    "wrench": {
-      "version": "1.5.8",
-      "resolved": "https://registry.npmjs.org/wrench/-/wrench-1.5.8.tgz",
-      "integrity": "sha1-ejHJf3hpJG12xc8vXJd6HEyOWrU=",
-      "dev": true
-    },
     "write": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/write/-/write-0.2.1.tgz",
diff --git a/package.json b/package.json
index 3a83235..bc9d588 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "eslint-plugin-import": "^2.11.0",
     "eslint-plugin-jsx-a11y": "^6.0.3",
     "eslint-plugin-react": "^7.7.0",
-    "gh-pages": "^0.11.0",
+    "gh-pages": "^4.0.0",
     "nwb": "0.22.x",
     "react": "^16.0.0",
     "react-dom": "^16.0.0"