diff --git a/package.json b/package.json
index 9da68fc..6acf70d 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "chalk": "^2.4.2",
     "cheerio": "^1.0.0-rc.3",
     "commander": "^2.20.0",
-    "htmlparser2": "^3.9.2",
+    "htmlparser2": "^4.0.0",
     "pug-lint": "^2.6.0",
     "text-table": "^0.2.0",
     "walk": "^2.3.14"
diff --git a/yarn.lock b/yarn.lock
index a006a60..274aa46 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -354,11 +354,24 @@ dom-serializer@0, dom-serializer@~0.1.1:
     domelementtype "^1.3.0"
     entities "^1.1.1"
 
+dom-serializer@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-0.2.1.tgz#13650c850daffea35d8b626a4cfc4d3a17643fdb"
+  integrity sha512-sK3ujri04WyjwQXVoK4PU3y8ula1stq10GJZpqHIUgoGZdsGzAGu65BnU3d08aTVSvO7mGPZUc0wTEDL+qGE0Q==
+  dependencies:
+    domelementtype "^2.0.1"
+    entities "^2.0.0"
+
 domelementtype@1, domelementtype@^1.3.0, domelementtype@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.3.1.tgz#d048c44b37b0d10a7f2a3d5fee3f4333d790481f"
   integrity sha512-BSKB+TSpMpFI/HOxCNr1O8aMOTZ8hT3pM3GQ0w/mWRmkhEDSFJkkyzz4XQsBV44BChwGkrDfMyjVD0eA2aFV3w==
 
+domelementtype@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-2.0.1.tgz#1f8bdfe91f5a78063274e803b4bdcedf6e94f94d"
+  integrity sha512-5HOHUDsYZWV8FGWN0Njbr/Rn7f/eWSQi1v7+HsUVwXgn8nWWlL64zKDkS0n8ZmQ3mlWOMuXOnR+7Nx/5tMO5AQ==
+
 domhandler@^2.3.0:
   version "2.4.2"
   resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-2.4.2.tgz#8805097e933d65e85546f726d60f5eb88b44f803"
@@ -366,6 +379,13 @@ domhandler@^2.3.0:
   dependencies:
     domelementtype "1"
 
+domhandler@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-3.0.0.tgz#51cd13efca31da95bbb0c5bee3a48300e333b3e9"
+  integrity sha512-eKLdI5v9m67kbXQbJSNn1zjh0SDzvzWVWtX+qEI3eMjZw8daH9k8rlj1FZY9memPwjiskQFbe7vHVVJIAqoEhw==
+  dependencies:
+    domelementtype "^2.0.1"
+
 domutils@1.5.1:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.5.1.tgz#dcd8488a26f563d61079e48c9f7b7e32373682cf"
@@ -382,6 +402,15 @@ domutils@^1.5.1:
     dom-serializer "0"
     domelementtype "1"
 
+domutils@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/domutils/-/domutils-2.0.0.tgz#15b8278e37bfa8468d157478c58c367718133c08"
+  integrity sha512-n5SelJ1axbO636c2yUtOGia/IcJtVtlhQbFiVDBZHKV5ReJO1ViX7sFEemtuyoAnBxk5meNSYgA8V4s0271efg==
+  dependencies:
+    dom-serializer "^0.2.1"
+    domelementtype "^2.0.1"
+    domhandler "^3.0.0"
+
 emoji-regex@^7.0.1:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
@@ -399,6 +428,11 @@ entities@^1.1.1, entities@~1.1.1:
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.2.tgz#bdfa735299664dfafd34529ed4f8522a275fea56"
   integrity sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w==
 
+entities@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-2.0.0.tgz#68d6084cab1b079767540d80e56a39b423e4abf4"
+  integrity sha512-D9f7V0JSRwIxlRI2mjMqufDrRDnx8p+eEOz7aUM9SuvF8gsBzra0/6tbjl1m8eQHrZlYj6PxqE00hZ1SAIKPLw==
+
 error-ex@^1.2.0, error-ex@^1.3.1:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
@@ -769,7 +803,7 @@ hosted-git-info@^2.1.4:
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.7.1.tgz#97f236977bd6e125408930ff6de3eec6281ec047"
   integrity sha512-7T/BxH19zbcCTa8XkMlbK5lTo1WtgkFi3GvdWEyNuc4Vex7/9Dqbnpsf4JMydcfj9HCg4zUWFTL3Za6lapg5/w==
 
-htmlparser2@^3.9.1, htmlparser2@^3.9.2:
+htmlparser2@^3.9.1:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-3.10.1.tgz#bd679dc3f59897b6a34bb10749c855bb53a9392f"
   integrity sha512-IgieNijUMbkDovyoKObU1DUhm1iwNYE/fuifEoEHfd1oZKZDaONBSkal7Y01shxsM49R4XaMdGez3WnF9UfiCQ==
@@ -781,6 +815,16 @@ htmlparser2@^3.9.1, htmlparser2@^3.9.2:
     inherits "^2.0.1"
     readable-stream "^3.1.1"
 
+htmlparser2@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-4.0.0.tgz#6034658db65b7713a572a9ebf79f650832dceec8"
+  integrity sha512-cChwXn5Vam57fyXajDtPXL1wTYc8JtLbr2TN76FYu05itVVVealxLowe2B3IEznJG4p9HAYn/0tJaRlGuEglFQ==
+  dependencies:
+    domelementtype "^2.0.1"
+    domhandler "^3.0.0"
+    domutils "^2.0.0"
+    entities "^2.0.0"
+
 husky@^3.0.5:
   version "3.0.5"
   resolved "https://registry.yarnpkg.com/husky/-/husky-3.0.5.tgz#d7db27c346645a8dc52df02aa534a377ad7925e0"