diff --git a/package-lock.json b/package-lock.json
index 87c04a3..f8b615b 100644
--- a/package-lock.json
+++ b/package-lock.json
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+      "resolved": "https://registry.npmjs.org/update-check/-/update-check-1.5.2.tgz",
+      "integrity": "sha512-1TrmYLuLj/5ZovwUS7fFd1jMH3NnFDN1y1A8dboedIDt7zs/zJMo6TwwlhYKkSeEwzleeiSBV5/3c9ufAQWDaQ==",
+      "dev": true,
+      "requires": {
+        "registry-auth-token": "3.3.2",
+        "registry-url": "3.1.0"
+      },
+      "dependencies": {
+        "registry-auth-token": {
+          "version": "3.3.2",
+          "resolved": "https://registry.npmjs.org/registry-auth-token/-/registry-auth-token-3.3.2.tgz",
+          "integrity": "sha512-JL39c60XlzCVgNrO+qq68FoNb56w/m7JYvGR2jT5iR1xBrUA3Mfx5Twk5rqTThPmQKMWydGmq8oFtDlxfrmxnQ==",
+          "dev": true,
+          "requires": {
+            "rc": "^1.1.6",
+            "safe-buffer": "^5.0.1"
+          }
+        }
+      }
+    },
     "update-notifier": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/update-notifier/-/update-notifier-2.3.0.tgz",
@@ -15489,6 +15183,23 @@
         "pako": "^1.0.5"
       }
     },
+    "uri-js": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
+      "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+      "dev": true,
+      "requires": {
+        "punycode": "^2.1.0"
+      },
+      "dependencies": {
+        "punycode": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
+          "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
+          "dev": true
+        }
+      }
+    },
     "urix": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
@@ -15567,12 +15278,6 @@
       "integrity": "sha1-HCQ6ULWVwb5Up1S/7OhWO5/42BM=",
       "dev": true
     },
-    "vary": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
-      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=",
-      "dev": true
-    },
     "verror": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
diff --git a/package.json b/package.json
index f5c923b..f36d483 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "rollup-plugin-node-globals": "^1.2.0",
     "rollup-plugin-node-resolve": "^3.3.0",
     "rollup-plugin-uglify": "^3.0.0",
-    "serve": "^6.3.1",
+    "serve": "^7.1.3",
     "simplify-js": "^1.2.1",
     "upng-js": "^1.0.0",
     "yamljs": "^0.3.0",