diff --git a/package.json b/package.json
index 6511eeda..5941cca2 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "chai": "^4.3.4",
     "chai-http": "^4.3.0",
     "chakram": "^1.5.0",
-    "cheerio": "^1.0.0-rc.6",
+    "cheerio": "^1.0.0-rc.12",
     "csv-parse": "^4.15.4",
     "eslint": "7.26.0",
     "mimelib": "^0.3.1",
diff --git a/yarn.lock b/yarn.lock
index b6592c8e..f20aa554 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -846,28 +846,30 @@ check-error@^1.0.2:
   resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
   integrity sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=
 
-cheerio-select@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/cheerio-select/-/cheerio-select-1.3.0.tgz#26a50968260b7e4281238c1e7da7ed2766652f3b"
-  integrity sha512-mLgqdHxVOQyhOIkG5QnRkDg7h817Dkf0dAvlCio2TJMmR72cJKH0bF28SHXvLkVrGcGOiub0/Bs/CMnPeQO7qw==
-  dependencies:
-    css-select "^4.0.0"
-    css-what "^5.0.0"
-    domelementtype "^2.2.0"
-    domhandler "^4.1.0"
-    domutils "^2.5.2"
-
-cheerio@^1.0.0-rc.6:
-  version "1.0.0-rc.6"
-  resolved "https://registry.yarnpkg.com/cheerio/-/cheerio-1.0.0-rc.6.tgz#a5ae81ab483aeefa1280c325543c601145506240"
-  integrity sha512-hjx1XE1M/D5pAtMgvWwE21QClmAEeGHOIDfycgmndisdNgI6PE1cGRQkMGBcsbUbmEQyWu5PJLUcAOjtQS8DWw==
-  dependencies:
-    cheerio-select "^1.3.0"
-    dom-serializer "^1.3.1"
-    domhandler "^4.1.0"
-    htmlparser2 "^6.1.0"
-    parse5 "^6.0.1"
-    parse5-htmlparser2-tree-adapter "^6.0.1"
+cheerio-select@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/cheerio-select/-/cheerio-select-2.1.0.tgz#4d8673286b8126ca2a8e42740d5e3c4884ae21b4"
+  integrity sha512-9v9kG0LvzrlcungtnJtpGNxY+fzECQKhK4EGJX2vByejiMX84MFNQw4UxPJl3bFbTMw+Dfs37XaIkCwTZfLh4g==
+  dependencies:
+    boolbase "^1.0.0"
+    css-select "^5.1.0"
+    css-what "^6.1.0"
+    domelementtype "^2.3.0"
+    domhandler "^5.0.3"
+    domutils "^3.0.1"
+
+cheerio@^1.0.0-rc.12:
+  version "1.0.0-rc.12"
+  resolved "https://registry.yarnpkg.com/cheerio/-/cheerio-1.0.0-rc.12.tgz#788bf7466506b1c6bf5fae51d24a2c4d62e47683"
+  integrity sha512-VqR8m68vM46BNnuZ5NtnGBKIE/DfN0cRIzg9n40EIq9NOv90ayxLBXA8fXC5gquFRGJSTRqBq25Jt2ECLR431Q==
+  dependencies:
+    cheerio-select "^2.1.0"
+    dom-serializer "^2.0.0"
+    domhandler "^5.0.3"
+    domutils "^3.0.1"
+    htmlparser2 "^8.0.1"
+    parse5 "^7.0.0"
+    parse5-htmlparser2-tree-adapter "^7.0.0"
 
 chokidar@3.5.1:
   version "3.5.1"
@@ -1029,21 +1031,21 @@ cross-spawn@^7.0.2:
     shebang-command "^2.0.0"
     which "^2.0.1"
 
-css-select@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/css-select/-/css-select-4.0.0.tgz#9b7b53bd82e4b348a6e0924ce37645e5db43af8e"
-  integrity sha512-I7favumBlDP/nuHBKLfL5RqvlvRdn/W29evvWJ+TaoGPm7QD+xSIN5eY2dyGjtkUmemh02TZrqJb4B8DWo6PoQ==
+css-select@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/css-select/-/css-select-5.1.0.tgz#b8ebd6554c3637ccc76688804ad3f6a6fdaea8a6"
+  integrity sha512-nwoRF1rvRRnnCqqY7updORDsuqKzqYJ28+oSMaJMMgOauh3fvwHqMS7EZpIPqK8GL+g9mKxF1vP/ZjSeNjEVHg==
   dependencies:
     boolbase "^1.0.0"
-    css-what "^5.0.0"
-    domhandler "^4.1.0"
-    domutils "^2.5.1"
-    nth-check "^2.0.0"
+    css-what "^6.1.0"
+    domhandler "^5.0.2"
+    domutils "^3.0.1"
+    nth-check "^2.0.1"
 
-css-what@^5.0.0:
-  version "5.0.1"
-  resolved "https://registry.yarnpkg.com/css-what/-/css-what-5.0.1.tgz#3efa820131f4669a8ac2408f9c32e7c7de9f4cad"
-  integrity sha512-FYDTSHb/7KXsWICVsxdmiExPjCfRC4qRFBdVwv7Ax9hMnvMmEjP9RfxTEZ3qPZGmADDn2vAKSo9UcN1jKVYscg==
+css-what@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/css-what/-/css-what-6.1.0.tgz#fb5effcf76f1ddea2c81bdfaa4de44e79bac70f4"
+  integrity sha512-HTUrgRJ7r4dsZKU6GjmpfRK1O76h97Z8MfS1G0FozR+oF2kG6Vfe8JE6zwrkbxigziPHinCJ+gCPjA9EaBDtRw==
 
 csv-generate@^3.4.3:
   version "3.4.3"
@@ -1210,40 +1212,35 @@ doctrine@^3.0.0:
   dependencies:
     esutils "^2.0.2"
 
-dom-serializer@^1.0.1, dom-serializer@^1.3.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-1.3.1.tgz#d845a1565d7c041a95e5dab62184ab41e3a519be"
-  integrity sha512-Pv2ZluG5ife96udGgEDovOOOA5UELkltfJpnIExPrAk1LTvecolUGn6lIaoLh86d83GiB86CjzciMd9BuRB71Q==
+dom-serializer@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-2.0.0.tgz#e41b802e1eedf9f6cae183ce5e622d789d7d8e53"
+  integrity sha512-wIkAryiqt/nV5EQKqQpo3SToSOV9J0DnbJqwK7Wv/Trc92zIAYZ4FlMu+JPFW1DfGFt81ZTCGgDEabffXeLyJg==
   dependencies:
-    domelementtype "^2.0.1"
-    domhandler "^4.0.0"
-    entities "^2.0.0"
+    domelementtype "^2.3.0"
+    domhandler "^5.0.2"
+    entities "^4.2.0"
 
-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==
-
-domelementtype@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-2.2.0.tgz#9a0b6c2782ed6a1c7323d42267183df9bd8b1d57"
-  integrity sha512-DtBMo82pv1dFtUmHyr48beiuq792Sxohr+8Hm9zoxklYPfa6n0Z3Byjj2IV7bmr2IyqClnqEQhfgHJJ5QF0R5A==
+domelementtype@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-2.3.0.tgz#5c45e8e869952626331d7aab326d01daf65d589d"
+  integrity sha512-OLETBj6w0OsagBwdXnPdN0cnMfF9opN69co+7ZrbfPGrdpPVNBUj02spi6B1N7wChLQiPn4CSH/zJvXw56gmHw==
 
-domhandler@^4.0.0, domhandler@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-4.1.0.tgz#c1d8d494d5ec6db22de99e46a149c2a4d23ddd43"
-  integrity sha512-/6/kmsGlMY4Tup/nGVutdrK9yQi4YjWVcVeoQmixpzjOUK1U7pQkvAPHBJeUxOgxF0J8f8lwCJSlCfD0V4CMGQ==
+domhandler@^5.0.1, domhandler@^5.0.2, domhandler@^5.0.3:
+  version "5.0.3"
+  resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-5.0.3.tgz#cc385f7f751f1d1fc650c21374804254538c7d31"
+  integrity sha512-cgwlv/1iFQiFnU96XXgROh8xTeetsnJiDsTc7TYCLFd9+/WNkIqPTxiM/8pSd8VIrhXGTf1Ny1q1hquVqDJB5w==
   dependencies:
-    domelementtype "^2.2.0"
+    domelementtype "^2.3.0"
 
-domutils@^2.5.1, domutils@^2.5.2:
-  version "2.5.2"
-  resolved "https://registry.yarnpkg.com/domutils/-/domutils-2.5.2.tgz#37ef8ba087dff1a17175e7092e8a042e4b050e6c"
-  integrity sha512-MHTthCb1zj8f1GVfRpeZUbohQf/HdBos0oX5gZcQFepOZPLLRyj6Wn7XS7EMnY7CVpwv8863u2vyE83Hfu28HQ==
+domutils@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/domutils/-/domutils-3.0.1.tgz#696b3875238338cb186b6c0612bd4901c89a4f1c"
+  integrity sha512-z08c1l761iKhDFtfXO04C7kTdPBLi41zwOZl00WS8b5eiaebNpY00HKbztwBq+e3vyqWNwWF3mP9YLUeqIrF+Q==
   dependencies:
-    dom-serializer "^1.0.1"
-    domelementtype "^2.2.0"
-    domhandler "^4.1.0"
+    dom-serializer "^2.0.0"
+    domelementtype "^2.3.0"
+    domhandler "^5.0.1"
 
 dtrace-provider@^0.8.1:
   version "0.8.8"
@@ -1313,10 +1310,10 @@ enquirer@^2.3.5:
   dependencies:
     ansi-colors "^4.1.1"
 
-entities@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/entities/-/entities-2.1.0.tgz#992d3129cf7df6870b96c57858c249a120f8b8b5"
-  integrity sha512-hCx1oky9PFrJ611mf0ifBLBRW8lUUVRlFolb5gWRfIELabBlbp9xZvrqZLZAs+NxFnbfQoeGd8wDkygjg7U85w==
+entities@^4.2.0, entities@^4.4.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-4.4.0.tgz#97bdaba170339446495e653cfd2db78962900174"
+  integrity sha512-oYp7156SP8LkeGD0GF85ad1X9Ai79WtRsZ2gxJqtBuzH+98YUV6jkHEKlZkMbcrjJjIVJNIDP/3WL9wQkoPbWA==
 
 eol@^0.9.1:
   version "0.9.1"
@@ -1901,15 +1898,15 @@ hpack.js@^2.1.6:
     readable-stream "^2.0.1"
     wbuf "^1.1.0"
 
-htmlparser2@^6.1.0:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-6.1.0.tgz#c4d762b6c3371a05dbe65e94ae43a9f845fb8fb7"
-  integrity sha512-gyyPk6rgonLFEDGoeRgQNaEUvdJ4ktTmmUh/h2t7s+M8oPpIPxgNACWa+6ESR57kXstwqPiCut0V8NRpcwgU7A==
+htmlparser2@^8.0.1:
+  version "8.0.2"
+  resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-8.0.2.tgz#f002151705b383e62433b5cf466f5b716edaec21"
+  integrity sha512-GYdjWKDkbRLkZ5geuHs5NY1puJ+PXwP7+fHPRz06Eirsb9ugf6d8kkXav6ADhcODhFFPMIXyxkxSuMf3D6NCFA==
   dependencies:
-    domelementtype "^2.0.1"
-    domhandler "^4.0.0"
-    domutils "^2.5.2"
-    entities "^2.0.0"
+    domelementtype "^2.3.0"
+    domhandler "^5.0.3"
+    domutils "^3.0.1"
+    entities "^4.4.0"
 
 http-cache-semantics@^4.0.0:
   version "4.1.0"
@@ -2682,10 +2679,10 @@ npmlog@^5.0.1:
     gauge "^3.0.0"
     set-blocking "^2.0.0"
 
-nth-check@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/nth-check/-/nth-check-2.0.1.tgz#2efe162f5c3da06a28959fbd3db75dbeea9f0fc2"
-  integrity sha512-it1vE95zF6dTT9lBsYbxvqh0Soy4SPowchj0UBGj/V6cTPnXXtQOPUbhZ6CmGzAD/rW22LQK6E96pcdJXk4A4w==
+nth-check@^2.0.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/nth-check/-/nth-check-2.1.1.tgz#c9eab428effce36cd6b92c924bdb000ef1f1ed1d"
+  integrity sha512-lqjrjmaOoAnWfMmBPL+XNnynZh2+swxiX3WUE0s4yEHI6m+AwrK2UZOimIRl3X/4QctVqS8AiZjFqyOGrMXb/w==
   dependencies:
     boolbase "^1.0.0"
 
@@ -2778,17 +2775,20 @@ parent-module@^1.0.0:
   dependencies:
     callsites "^3.0.0"
 
-parse5-htmlparser2-tree-adapter@^6.0.1:
-  version "6.0.1"
-  resolved "https://registry.yarnpkg.com/parse5-htmlparser2-tree-adapter/-/parse5-htmlparser2-tree-adapter-6.0.1.tgz#2cdf9ad823321140370d4dbf5d3e92c7c8ddc6e6"
-  integrity sha512-qPuWvbLgvDGilKc5BoicRovlT4MtYT6JfJyBOMDsKoiT+GiuP5qyrPCnR9HcPECIJJmZh5jRndyNThnhhb/vlA==
+parse5-htmlparser2-tree-adapter@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/parse5-htmlparser2-tree-adapter/-/parse5-htmlparser2-tree-adapter-7.0.0.tgz#23c2cc233bcf09bb7beba8b8a69d46b08c62c2f1"
+  integrity sha512-B77tOZrqqfUfnVcOrUvfdLbz4pu4RopLD/4vmu3HUPswwTA8OH0EMW9BlWR2B0RCoiZRAHEUu7IxeP1Pd1UU+g==
   dependencies:
-    parse5 "^6.0.1"
+    domhandler "^5.0.2"
+    parse5 "^7.0.0"
 
-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@^7.0.0:
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/parse5/-/parse5-7.1.2.tgz#0736bebbfd77793823240a23b7fc5e010b7f8e32"
+  integrity sha512-Czj1WaSVpaoj0wbhMzLmWD69anp2WH7FXMB9n1Sy8/ZFF9jolSQVMu1Ij5WIyGmcBmhk7EOndpO4mIpihVqAXw==
+  dependencies:
+    entities "^4.4.0"
 
 path-exists@^4.0.0:
   version "4.0.0"