diff --git a/package.json b/package.json
index 0c95bbf..0274f30 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "fp-ts-contrib": "0.1.16",
     "got": "11.3.0",
     "io-ts": "2.2.5",
-    "jsdom": "16.2.2",
+    "jsdom": "16.5.0",
     "metascraper": "5.12.6",
     "metascraper-author": "5.11.21",
     "metascraper-description": "5.11.21",
diff --git a/yarn.lock b/yarn.lock
index 66ae5f2..ff9aefb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -228,10 +228,10 @@
   dependencies:
     "@types/yargs-parser" "*"
 
-abab@^2.0.0, abab@^2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/abab/-/abab-2.0.3.tgz#623e2075e02eb2d3f2475e49f99c91846467907a"
-  integrity sha512-tsFzPpcttalNjFBCFMqsKYQcWxxen1pgJR56by//QwvJc4/OUS3kPOOttx2tSIfjsylB0pYu7f5D3K1RCxUnUg==
+abab@^2.0.0, abab@^2.0.3, abab@^2.0.5:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/abab/-/abab-2.0.6.tgz#41b80f2c871d19686216b82309231cfd3cb3d291"
+  integrity sha512-j2afSsaIENvHZN2B8GOpF566vZ5WVk5opAiMTvWgaQT8DkbOqsTfvNAvHoRGU2zzP8cPoqys+xHTRDWW8L+/BA==
 
 acorn-globals@^4.1.0:
   version "4.3.4"
@@ -274,6 +274,11 @@ acorn@^7.1.1:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.3.1.tgz#85010754db53c3fbaf3b9ea3e083aa5c5d147ffd"
   integrity sha512-tLc0wSnatxAQHVHUapaHdz72pi9KUyHjq5KyHjGg9Y8Ifdc79pTh2XvI6I1/chZbnM7QtNKzh66ooDogPZSleA==
 
+acorn@^8.0.5:
+  version "8.7.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.7.1.tgz#0197122c843d1bf6d0a5e83220a788f278f63c30"
+  integrity sha512-Xx54uLJQZ19lKygFXOWsscKUbsBZW0CPykPhVQdhIeIwrbPmJzqeASDInc8nKBnp/JT6igTs82qPXz069H8I/A==
+
 ajv@^6.5.5:
   version "6.12.2"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.2.tgz#c629c5eced17baf314437918d2da88c99d5958cd"
@@ -866,7 +871,7 @@ cssstyle@^1.0.0:
   dependencies:
     cssom "0.3.x"
 
-cssstyle@^2.2.0:
+cssstyle@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/cssstyle/-/cssstyle-2.3.0.tgz#ff665a0ddbdc31864b09647f34163443d90b0852"
   integrity sha512-AZL67abkUzIuvcHqk7c09cezpGNcxUxU4Ioi/05xHk4DQeTkWmGYftIE6ctU6AEt+Gn4n1lDStOtj7FKycP71A==
@@ -929,10 +934,10 @@ decamelize@^1.2.0:
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
   integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
 
-decimal.js@^10.2.0:
-  version "10.2.0"
-  resolved "https://registry.yarnpkg.com/decimal.js/-/decimal.js-10.2.0.tgz#39466113a9e036111d02f82489b5fd6b0b5ed231"
-  integrity sha512-vDPw+rDgn3bZe1+F/pyEwb1oMG2XTlRVgAa6B4KccTEpYgF8w6eQllVbQcfIJnZyvzFtFpxnpGtx8dd7DJp/Rw==
+decimal.js@^10.2.1:
+  version "10.3.1"
+  resolved "https://registry.yarnpkg.com/decimal.js/-/decimal.js-10.3.1.tgz#d8c3a444a9c6774ba60ca6ad7261c3a94fd5e783"
+  integrity sha512-V0pfhfr8suzyPGOx3nmq4aHqabehUZn6Ch9kyFpV79TGDTWFmHqUqXdabR7QHqxzrYolF4+tVmJhUG4OURg5dQ==
 
 decode-uri-component@^0.2.0:
   version "0.2.0"
@@ -1124,7 +1129,7 @@ escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
   integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
 
-escodegen@^1.14.1, escodegen@^1.9.1:
+escodegen@^1.9.1:
   version "1.14.2"
   resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-1.14.2.tgz#14ab71bf5026c2aa08173afba22c6f3173284a84"
   integrity sha512-InuOIiKk8wwuOFg6x9BQXbzjrQhtyXh46K9bqVTPzSo2FnyMBaYGBMC6PhQy7yxxil9vIedFBweQBMK74/7o8A==
@@ -1136,6 +1141,18 @@ escodegen@^1.14.1, escodegen@^1.9.1:
   optionalDependencies:
     source-map "~0.6.1"
 
+escodegen@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-2.0.0.tgz#5e32b12833e8aa8fa35e1bf0befa89380484c7dd"
+  integrity sha512-mmHKys/C8BFUGI+MAWNcSYoORYLMdPzjrknd2Vc+bUsjN5bXcr8EhrNB+UTqfL1y3I9c4fw2ihgtMPQLBRiQxw==
+  dependencies:
+    esprima "^4.0.1"
+    estraverse "^5.2.0"
+    esutils "^2.0.2"
+    optionator "^0.8.1"
+  optionalDependencies:
+    source-map "~0.6.1"
+
 esprima@^4.0.0, esprima@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
@@ -1146,6 +1163,11 @@ estraverse@^4.2.0:
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.3.0.tgz#398ad3f3c5a24948be7725e83d11a7de28cdbd1d"
   integrity sha512-39nnKffWz8xN1BU/2c79n9nB9HDzo0niYUqx6xyqUnyoAnQyyWpOTdZEeiCch8BBu515t4wp9ZmgVfVhn9EBpw==
 
+estraverse@^5.2.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-5.3.0.tgz#2eea5290702f26ab8fe5370370ff86c965d21123"
+  integrity sha512-MMdARuVEQziNTeJD8DgMqmhwR11BRQ/cBP+pLtYdSTnf3MIO8fFeiINEbX36ZdNlfU/7A9f3gUw49B3oQsvwBA==
+
 esutils@^2.0.2:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
@@ -1727,11 +1749,6 @@ io-ts@2.2.5:
   resolved "https://registry.yarnpkg.com/io-ts/-/io-ts-2.2.5.tgz#c402baf3c1d1584561cd215a1abaccc0baf4718e"
   integrity sha512-ctkzWw78sol75+KNkCrTjjgWwLjG77LzUNaelPbcJVao7THmmTIr6hW+rGJPK2EMtG1Pkt/G1sJVYyylEaOwPw==
 
-ip-regex@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/ip-regex/-/ip-regex-2.1.0.tgz#fa78bf5d2e6913c911ce9f819ee5146bb6d844e9"
-  integrity sha1-+ni/XS5pE8kRzp+BnuUUa7bYROk=
-
 ip-regex@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/ip-regex/-/ip-regex-4.1.0.tgz#5ad62f685a14edb421abebc2fff8db94df67b455"
@@ -1956,36 +1973,36 @@ jsbn@~0.1.0:
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
   integrity sha1-peZUwuWi3rXyAdls77yoDA7y9RM=
 
-jsdom@16.2.2:
-  version "16.2.2"
-  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-16.2.2.tgz#76f2f7541646beb46a938f5dc476b88705bedf2b"
-  integrity sha512-pDFQbcYtKBHxRaP55zGXCJWgFHkDAYbKcsXEK/3Icu9nKYZkutUXfLBwbD+09XDutkYSHcgfQLZ0qvpAAm9mvg==
+jsdom@16.5.0:
+  version "16.5.0"
+  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-16.5.0.tgz#9e453505600cc5a70b385750d35256f380730cc4"
+  integrity sha512-QxZH0nmDTnTTVI0YDm4RUlaUPl5dcyn62G5TMDNfMmTW+J1u1v9gCR8WR+WZ6UghAa7nKJjDOFaI00eMMWvJFQ==
   dependencies:
-    abab "^2.0.3"
-    acorn "^7.1.1"
+    abab "^2.0.5"
+    acorn "^8.0.5"
     acorn-globals "^6.0.0"
     cssom "^0.4.4"
-    cssstyle "^2.2.0"
+    cssstyle "^2.3.0"
     data-urls "^2.0.0"
-    decimal.js "^10.2.0"
+    decimal.js "^10.2.1"
     domexception "^2.0.1"
-    escodegen "^1.14.1"
+    escodegen "^2.0.0"
     html-encoding-sniffer "^2.0.1"
     is-potential-custom-element-name "^1.0.0"
     nwsapi "^2.2.0"
-    parse5 "5.1.1"
+    parse5 "6.0.1"
     request "^2.88.2"
-    request-promise-native "^1.0.8"
-    saxes "^5.0.0"
+    request-promise-native "^1.0.9"
+    saxes "^5.0.1"
     symbol-tree "^3.2.4"
-    tough-cookie "^3.0.1"
+    tough-cookie "^4.0.0"
     w3c-hr-time "^1.0.2"
     w3c-xmlserializer "^2.0.0"
-    webidl-conversions "^6.0.0"
+    webidl-conversions "^6.1.0"
     whatwg-encoding "^1.0.5"
     whatwg-mimetype "^2.3.0"
     whatwg-url "^8.0.0"
-    ws "^7.2.3"
+    ws "^7.4.4"
     xml-name-validator "^3.0.0"
 
 jsdom@^11.9.0:
@@ -2183,6 +2200,11 @@ lodash@4.17.15, lodash@^4.15.0, lodash@^4.17.12, lodash@^4.17.15, lodash@~4.17.1
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
 
+lodash@^4.17.19:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
+
 longest@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-2.0.1.tgz#781e183296aa94f6d4d916dc335d0d17aefa23f8"
@@ -2558,10 +2580,10 @@ parse5@4.0.0:
   resolved "https://registry.yarnpkg.com/parse5/-/parse5-4.0.0.tgz#6d78656e3da8d78b4ec0b906f7c08ef1dfe3f608"
   integrity sha512-VrZ7eOd3T1Fk4XWNXMgiGBK/z0MG48BWG2uQNU4I72fkQuKUTZpl+u9k+CxEG0twMVzSmXEEz12z5Fnw1jIQFA==
 
-parse5@5.1.1:
-  version "5.1.1"
-  resolved "https://registry.yarnpkg.com/parse5/-/parse5-5.1.1.tgz#f68e4e5ba1852ac2cadc00f4555fff6c2abb6178"
-  integrity sha512-ugq4DFI0Ptb+WWjAdOK16+u/nHfiIrcE+sh8kZMaM0WllQKLI9rOUq6c2b7cwPkXdzfQESqvoqK6ug7U/Yyzug==
+parse5@6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/parse5/-/parse5-6.0.1.tgz#e1a1c085c569b3dc08321184f19a39cc27f7c30b"
+  integrity sha512-Ofn/CTFzRGTTxwpNEs9PP93gXShHcTq255nzRYSKe8AkVpZY7e1fpmTfOyoIvjP5HG7Z2ZM7VS9PPhQGW2pOpw==
 
 parse5@^3.0.1:
   version "3.0.3"
@@ -2648,7 +2670,7 @@ pseudomap@^1.0.2:
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
   integrity sha1-8FKijacOYYkX7wqKw0wa5aaChrM=
 
-psl@^1.1.28:
+psl@^1.1.28, psl@^1.1.33:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/psl/-/psl-1.8.0.tgz#9326f8bcfb013adcc005fdff056acce020e51c24"
   integrity sha512-RIdOzyoavK+hA18OGGWDqUTsCLhtA7IcZ/6NCs4fFJaHBDab+pDDmDIByWFRQJq2Cd7r1OoQxBGKOaztq+hjIQ==
@@ -2740,12 +2762,19 @@ request-promise-core@1.1.3:
   dependencies:
     lodash "^4.17.15"
 
-request-promise-native@^1.0.5, request-promise-native@^1.0.8:
-  version "1.0.8"
-  resolved "https://registry.yarnpkg.com/request-promise-native/-/request-promise-native-1.0.8.tgz#a455b960b826e44e2bf8999af64dff2bfe58cb36"
-  integrity sha512-dapwLGqkHtwL5AEbfenuzjTYg35Jd6KPytsC2/TLkVMz8rm+tNt72MGUWT1RP/aYawMpN6HqbNGBQaRcBtjQMQ==
+request-promise-core@1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/request-promise-core/-/request-promise-core-1.1.4.tgz#3eedd4223208d419867b78ce815167d10593a22f"
+  integrity sha512-TTbAfBBRdWD7aNNOoVOBH4pN/KigV6LyapYNNlAPA8JwbovRti1E88m3sYAwsLi5ryhPKsE9APwnjFTgdUjTpw==
   dependencies:
-    request-promise-core "1.1.3"
+    lodash "^4.17.19"
+
+request-promise-native@^1.0.5, request-promise-native@^1.0.9:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/request-promise-native/-/request-promise-native-1.0.9.tgz#e407120526a5efdc9a39b28a5679bf47b9d9dc28"
+  integrity sha512-wcW+sIUiWnKgNY0dqCpOZkUbF/I+YPi+f09JZIDa39Ec+q82CpSYniDp+ISgTTbKmnpJWASeJBPZmoxH84wt3g==
+  dependencies:
+    request-promise-core "1.1.4"
     stealthy-require "^1.1.1"
     tough-cookie "^2.3.3"
 
@@ -2904,7 +2933,7 @@ sax@^1.2.4:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
-saxes@^5.0.0:
+saxes@^5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/saxes/-/saxes-5.0.1.tgz#eebab953fa3b7608dbe94e5dadb15c888fa6696d"
   integrity sha512-5LBh1Tls8c9xgGjw3QrMwETmTMVk0oFgvrFSvWx62llR2hcEInrKNZ2GZCCuuy2lvWrdl5jhbpeqc5hRYKFOcw==
@@ -3222,14 +3251,14 @@ tough-cookie@^2.3.3, tough-cookie@^2.3.4, tough-cookie@~2.5.0:
     psl "^1.1.28"
     punycode "^2.1.1"
 
-tough-cookie@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-3.0.1.tgz#9df4f57e739c26930a018184887f4adb7dca73b2"
-  integrity sha512-yQyJ0u4pZsv9D4clxO69OEjLWYw+jbgspjTue4lTQZLfV0c5l1VmK2y1JK8E9ahdpltPOaAThPcp5nKPUgSnsg==
+tough-cookie@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-4.0.0.tgz#d822234eeca882f991f0f908824ad2622ddbece4"
+  integrity sha512-tHdtEpQCMrc1YLrMaqXXcj6AxhYi/xgit6mZu1+EDWUn+qhUf8wMQoFIy9NXuq23zAwtcB0t/MjACGR18pcRbg==
   dependencies:
-    ip-regex "^2.1.0"
-    psl "^1.1.28"
+    psl "^1.1.33"
     punycode "^2.1.1"
+    universalify "^0.1.2"
 
 tr46@^1.0.1:
   version "1.0.1"
@@ -3314,7 +3343,7 @@ union-value@^1.0.0:
     is-extendable "^0.1.1"
     set-value "^2.0.1"
 
-universalify@^0.1.0:
+universalify@^0.1.0, universalify@^0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.2.tgz#b646f69be3942dabcecc9d6639c80dc105efaa66"
   integrity sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==
@@ -3421,7 +3450,7 @@ webidl-conversions@^5.0.0:
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-5.0.0.tgz#ae59c8a00b121543a2acc65c0434f57b0fc11aff"
   integrity sha512-VlZwKPCkYKxQgeSbH5EyngOmRp7Ww7I9rQLERETtf5ofd9pGeswWiOtogpEO850jziPRarreGxn5QIiTqpb2wA==
 
-webidl-conversions@^6.0.0:
+webidl-conversions@^6.1.0:
   version "6.1.0"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-6.1.0.tgz#9111b4d7ea80acd40f5270d666621afa78b69514"
   integrity sha512-qBIvFLGiBpLjfwmYAaHPXsn+ho5xZnGvyGvsarywGNc8VyQJUMHJ8OBKGGrPER0okBeMDaan4mNBlgBROxuI8w==
@@ -3511,10 +3540,10 @@ ws@^5.2.0:
   dependencies:
     async-limiter "~1.0.0"
 
-ws@^7.2.3:
-  version "7.3.0"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.3.0.tgz#4b2f7f219b3d3737bc1a2fbf145d825b94d38ffd"
-  integrity sha512-iFtXzngZVXPGgpTlP1rBqsUK82p9tKqsWRPg5L56egiljujJT3vGAYnHANvFxBieXrTFavhzhxW52jnaWV+w2w==
+ws@^7.4.4:
+  version "7.5.8"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.8.tgz#ac2729881ab9e7cbaf8787fe3469a48c5c7f636a"
+  integrity sha512-ri1Id1WinAX5Jqn9HejiGb8crfRio0Qgu8+MtL36rlTA6RLsMdWt1Az/19A2Qij6uSHUMphEFaTKa4WG+UNHNw==
 
 wuzzy@^0.1.4:
   version "0.1.5"