diff --git a/package-lock.json b/package-lock.json
index 7526f44..6671389 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
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         "@percy/selenium-webdriver": "^1.0.2",
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         "selenium-webdriver": "^4.0.0",
         "todomvc-app-css": "^2.2.0",
         "todomvc-common": "^1.0.5"
@@ -446,6 +446,24 @@
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+      "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-2.0.1.tgz",
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+    "node_modules/basic-auth/node_modules/safe-buffer": {
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+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
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+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
@@ -510,6 +528,19 @@
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+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
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+      "dev": true,
+      "dependencies": {
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+      },
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@@ -687,21 +718,6 @@
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-      "dependencies": {
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-        "mime": "^1.6.0",
-        "minimist": "^1.1.0",
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@@ -845,6 +861,12 @@
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+    "node_modules/function-bind": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
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@@ -865,6 +887,20 @@
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+      "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.2.0.tgz",
+      "integrity": "sha512-L049y6nFOuom5wGyRc3/gdTLO94dySVKRACj1RmJZBQXlbTMhtNIgkWkUHq+jYmZvKf14EW1EoJnnjbmoHij0Q==",
+      "dev": true,
+      "dependencies": {
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+        "has": "^1.0.3",
+        "has-symbols": "^1.0.3"
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+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
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       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-5.1.0.tgz",
@@ -931,6 +967,18 @@
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       }
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+      "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
+      "integrity": "sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==",
+      "dev": true,
+      "dependencies": {
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+      },
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       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
@@ -940,6 +988,18 @@
         "node": ">=4"
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+    "node_modules/has-symbols": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.3.tgz",
+      "integrity": "sha512-l3LCuF6MgDNwTDKkdYGEihYjt5pRPbEg46rtlmnSPlUbgmB8LOIrKJbYYFBSbnPaJexMKtiPO8hmeRjRz2Td+A==",
+      "dev": true,
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
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       "resolved": "https://registry.npmjs.org/he/-/he-1.2.0.tgz",
@@ -949,6 +1009,18 @@
         "he": "bin/he"
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+    "node_modules/html-encoding-sniffer": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/html-encoding-sniffer/-/html-encoding-sniffer-3.0.0.tgz",
+      "integrity": "sha512-oWv4T4yJ52iKrufjnyZPkrN0CH3QnrUqdB6In1g5Fe1mia8GmF36gnfNySxoZtxD5+NmYw1EElVXiBk93UeskA==",
+      "dev": true,
+      "dependencies": {
+        "whatwg-encoding": "^2.0.0"
+      },
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+        "node": ">=12"
+      }
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       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.1.0.tgz",
@@ -970,32 +1042,100 @@
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-      "resolved": "https://registry.npmjs.org/http-server/-/http-server-0.11.1.tgz",
-      "integrity": "sha512-6JeGDGoujJLmhjiRGlt8yK8Z9Kl0vnl/dQoQZlc4oeqaUoAKQg94NILLfrY3oWzSyFaQCVNTcKE5PZ3cH8VP9w==",
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+      "resolved": "https://registry.npmjs.org/http-server/-/http-server-14.1.1.tgz",
+      "integrity": "sha512-+cbxadF40UXd9T01zUHgA+rlo2Bg1Srer4+B4NwIHdaGxAGGv59nYRnGGDJ9LBk7alpS0US+J+bLLdQOOkJq4A==",
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-        "corser": "~2.0.0",
-        "ecstatic": "^3.0.0",
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-        "opener": "~1.4.0",
-        "optimist": "0.6.x",
-        "portfinder": "^1.0.13",
-        "union": "~0.4.3"
+        "basic-auth": "^2.0.1",
+        "chalk": "^4.1.2",
+        "corser": "^2.0.1",
+        "he": "^1.2.0",
+        "html-encoding-sniffer": "^3.0.0",
+        "http-proxy": "^1.18.1",
+        "mime": "^1.6.0",
+        "minimist": "^1.2.6",
+        "opener": "^1.5.1",
+        "portfinder": "^1.0.28",
+        "secure-compare": "3.0.1",
+        "union": "~0.5.0",
+        "url-join": "^4.0.1"
       },
       "bin": {
-        "hs": "bin/http-server",
         "http-server": "bin/http-server"
+      },
+      "engines": {
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       }
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-    "node_modules/http-server/node_modules/colors": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
-      "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs=",
+    "node_modules/http-server/node_modules/ansi-styles": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+      "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
+      "dev": true,
+      "dependencies": {
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+      },
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
+      }
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+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
+      "integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==",
       "dev": true,
+      "dependencies": {
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+        "supports-color": "^7.1.0"
+      },
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+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/chalk?sponsor=1"
+      }
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+    "node_modules/http-server/node_modules/color-convert": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+      "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+      "dev": true,
+      "dependencies": {
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+      },
+      "engines": {
+        "node": ">=7.0.0"
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+    "node_modules/http-server/node_modules/color-name": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+      "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
+      "dev": true
+    },
+    "node_modules/http-server/node_modules/has-flag": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
+      "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/http-server/node_modules/supports-color": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+      "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+      "dev": true,
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+        "has-flag": "^4.0.0"
+      },
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+        "node": ">=8"
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@@ -1024,6 +1164,18 @@
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+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
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+      "dependencies": {
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+      },
+      "engines": {
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@@ -1278,10 +1430,13 @@
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-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
-      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
-      "dev": true
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
+      "dev": true,
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
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     "node_modules/minipass": {
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@@ -1309,12 +1464,12 @@
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-      "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
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+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
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       "dev": true,
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-        "minimist": "^1.2.5"
+        "minimist": "^1.2.6"
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         "mkdirp": "bin/cmd.js"
@@ -1338,6 +1493,15 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
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+    "node_modules/object-inspect": {
+      "version": "1.12.3",
+      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.12.3.tgz",
+      "integrity": "sha512-geUvdk7c+eizMNUDkRpW1wJwgfOiOeHbxBR/hLXK1aT6zmVSO0jsQcs7fj6MGw89jC/cjGfLcNOrtMYtGqm81g==",
+      "dev": true,
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
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@@ -1348,30 +1512,14 @@
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-      "resolved": "https://registry.npmjs.org/opener/-/opener-1.4.3.tgz",
-      "integrity": "sha1-XG2ixdflgx6P+jlklQ+NZnSskLg=",
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+      "resolved": "https://registry.npmjs.org/opener/-/opener-1.5.2.tgz",
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-      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
-      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
-      "dev": true,
-      "dependencies": {
-        "minimist": "~0.0.1",
-        "wordwrap": "~0.0.2"
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-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
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+      "resolved": "https://registry.npmjs.org/portfinder/-/portfinder-1.0.32.tgz",
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-        "async": "^2.6.2",
-        "debug": "^3.1.1",
-        "mkdirp": "^0.5.1"
+        "async": "^2.6.4",
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       "dev": true,
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@@ -1516,6 +1664,21 @@
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+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
+      "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
+      "dev": true,
+      "dependencies": {
+        "side-channel": "^1.0.4"
+      },
+      "engines": {
+        "node": ">=0.6"
+      },
+      "funding": {
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@@ -1648,6 +1811,18 @@
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+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
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@@ -3086,6 +3373,15 @@
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+    "qs": {
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+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
+      "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
+      "dev": true,
+      "requires": {
+        "side-channel": "^1.0.4"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/queue/-/queue-6.0.2.tgz",
@@ -3184,6 +3480,18 @@
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     },
+    "safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "dev": true
+    },
+    "secure-compare": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/secure-compare/-/secure-compare-3.0.1.tgz",
+      "integrity": "sha512-AckIIV90rPDcBcglUwXPF3kg0P0qmPsPXAj6BBEENQE1p5yA1xfmDJzfi1Tappj37Pv2mVbKpL3Z1T+Nn7k1Qw==",
+      "dev": true
+    },
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@@ -3216,6 +3524,17 @@
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       "dev": true
     },
+    "side-channel": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.0.4.tgz",
+      "integrity": "sha512-q5XPytqFEIKHkGdiMIrY10mvLRvnQh42/+GoBlFW3b2LXLE2xxJpZFdm94we0BaoV3RwJyGqg5wS7epxTv0Zvw==",
+      "dev": true,
+      "requires": {
+        "call-bind": "^1.0.0",
+        "get-intrinsic": "^1.0.2",
+        "object-inspect": "^1.9.0"
+      }
+    },
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       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
@@ -3295,20 +3614,12 @@
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-      "resolved": "https://registry.npmjs.org/union/-/union-0.4.6.tgz",
-      "integrity": "sha1-GY+9rrolTniLDvy2MLwR8kopWeA=",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/union/-/union-0.5.0.tgz",
+      "integrity": "sha512-N6uOhuW6zO95P3Mel2I2zMsbsanvvtgn6jVqJv4vbVcz/JN0OkL9suomjQGmWtxJQXOCqUJvquc1sMeNz/IwlA==",
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-      },
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-        "qs": {
-          "version": "2.3.3",
-          "resolved": "https://registry.npmjs.org/qs/-/qs-2.3.3.tgz",
-          "integrity": "sha1-6eha2+ddoLvkyOBHaghikPhjtAQ=",
-          "dev": true
-        }
+        "qs": "^6.4.0"
       }
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     "uri-js": {
@@ -3321,9 +3632,9 @@
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-      "resolved": "https://registry.npmjs.org/url-join/-/url-join-2.0.5.tgz",
-      "integrity": "sha1-WvIvGMBSoACkjXuCxenC4v7tpyg=",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/url-join/-/url-join-4.0.1.tgz",
+      "integrity": "sha512-jk1+QP6ZJqyOiuEI9AEWQfju/nB2Pw466kbA0LEZljHwKeMgd9WrAEgEGxjPDD2+TNbbb37rTyhEfrCXfuKXnA==",
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@@ -3332,6 +3643,15 @@
       "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
       "dev": true
     },
+    "whatwg-encoding": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-2.0.0.tgz",
+      "integrity": "sha512-p41ogyeMUrw3jWclHWTQg1k05DSVXPLcVxRTYsXUk+ZooOCZLcoYgPZ/HL/D/N+uQPOtcp1me1WhBEaX02mhWg==",
+      "dev": true,
+      "requires": {
+        "iconv-lite": "0.6.3"
+      }
+    },
     "which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
@@ -3341,12 +3661,6 @@
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-    "wordwrap": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
-      "dev": true
-    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
diff --git a/package.json b/package.json
index 6047787..fda36e8 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
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     "@percy/selenium-webdriver": "^1.0.2",
     "geckodriver": "^3.0.1",
-    "http-server": "^0.11.1",
+    "http-server": "^14.1.1",
     "selenium-webdriver": "^4.0.0",
     "todomvc-app-css": "^2.2.0",
     "todomvc-common": "^1.0.5"