diff --git a/package.json b/package.json
index c725ac0077..f1d9ba349a 100644
--- a/package.json
+++ b/package.json
@@ -174,7 +174,7 @@
     "xml": "1.0.1"
   },
   "optionalDependencies": {
-    "@tryghost/html-to-mobiledoc": "1.4.1",
+    "@tryghost/html-to-mobiledoc": "1.5.0",
     "sqlite3": "5.0.2"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 3a685fd9a9..33393a9164 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1387,14 +1387,14 @@
   dependencies:
     lodash-es "^4.17.11"
 
-"@tryghost/html-to-mobiledoc@1.4.1":
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/@tryghost/html-to-mobiledoc/-/html-to-mobiledoc-1.4.1.tgz#81330f85b8da787e2d4bb90090b311037997b9a7"
-  integrity sha512-7yiu8iroF7Jvl0pKuMtei8epgTKy/wiPwlDmT9IGRn0Gs7dOCoZ02N2L71TILHFXoTGW2nqHfITOrIJtGJigPw==
+"@tryghost/html-to-mobiledoc@1.5.0":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/@tryghost/html-to-mobiledoc/-/html-to-mobiledoc-1.5.0.tgz#15267a9e1d054e06f675647721a109bd07a29ac7"
+  integrity sha512-CtcsPJ2z0CZUu9JrEnU0oS085Bb8PGe1uO6s6l4CbZTN9m3VMlCM8SJkwOWNqEdu57LZl9Y1uKpKzuUnh3MGeA==
   dependencies:
-    "@tryghost/kg-parser-plugins" "^2.7.1"
+    "@tryghost/kg-parser-plugins" "^2.8.0"
     "@tryghost/mobiledoc-kit" "^0.12.4-ghost.1"
-    jsdom "^16.5.3"
+    jsdom "^18.0.0"
 
 "@tryghost/ignition-errors@0.1.8", "@tryghost/ignition-errors@^0.1.0":
   version "0.1.8"
@@ -1475,10 +1475,10 @@
     semver "^7.3.4"
     simple-dom "^1.4.0"
 
-"@tryghost/kg-parser-plugins@^2.7.1":
-  version "2.7.2"
-  resolved "https://registry.yarnpkg.com/@tryghost/kg-parser-plugins/-/kg-parser-plugins-2.7.2.tgz#eb2668121ae9b16c803ba74daebfb13cee08837f"
-  integrity sha512-l7ZjO4sQZzHvv87tkG89ZXBt5SUjgt5BSi13AX6MCcZXH4B20MeapULS5ckQKW3LIkrA47D26eVu+UU5lOExmg==
+"@tryghost/kg-parser-plugins@^2.8.0":
+  version "2.8.0"
+  resolved "https://registry.yarnpkg.com/@tryghost/kg-parser-plugins/-/kg-parser-plugins-2.8.0.tgz#6d14836020ffbd1a1cd4fb6928646a27335296e1"
+  integrity sha512-1Aw8FI9HveURDluMcRG0RkSJPy8wsiga+h4hQ9+8kU1dJTs/HkD9ABvQu4I3Oq994BoG0YqSmL8rIgThaYBNtg==
   dependencies:
     "@tryghost/kg-clean-basic-html" "^2.2.5"
 
@@ -2072,7 +2072,7 @@ acorn@^7.1.1, acorn@^7.4.0:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.4.1.tgz#feaed255973d2e77555b83dbc08851a6c63520fa"
   integrity sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==
 
-acorn@^8.2.4, acorn@^8.5.0:
+acorn@^8.5.0:
   version "8.6.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.6.0.tgz#e3692ba0eb1a0c83eaa4f37f5fa7368dd7142895"
   integrity sha512-U1riIR+lBSNi3IbxtaHOIKdH8sLFv3NYfNv8sg7ZsNhcfl4HF2++BfqqrNAxoCLQW1iiylOj76ecnaUxz+z9yw==
@@ -3638,11 +3638,6 @@ csso@4.2.0, csso@^4.2.0:
   dependencies:
     css-tree "^1.1.2"
 
-cssom@^0.4.4:
-  version "0.4.4"
-  resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.4.4.tgz#5a66cf93d2d0b661d80bf6a44fb65f5c2e4e0a10"
-  integrity sha512-p3pvU7r1MyyqbTk+WbNJIgJjG2VmTIaB10rI93LzVPrmDJKkzKYMtxxyAvQXR/NS6otuzveI7+7BBq3SjBS2mw==
-
 cssom@^0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.5.0.tgz#d254fa92cd8b6fbd83811b9fbaed34663cc17c36"
@@ -3677,15 +3672,6 @@ data-uri-to-buffer@1:
   resolved "https://registry.yarnpkg.com/data-uri-to-buffer/-/data-uri-to-buffer-1.2.0.tgz#77163ea9c20d8641b4707e8f18abdf9a78f34835"
   integrity sha512-vKQ9DTQPN1FLYiiEEOQ6IBGFqvjCa5rSK3cWMy/Nespm5d/x3dGFT9UBZnkLxCwua/IXBi2TYnwTEpsOvhC4UQ==
 
-data-urls@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/data-urls/-/data-urls-2.0.0.tgz#156485a72963a970f5d5821aaf642bef2bf2db9b"
-  integrity sha512-X5eWTSXO/BJmpdIKCRuKUgSCgAN0OwliVK3yPKbwIWU1Tdw5BRajxlzMidvh+gwko9AfQ9zIj52pzF91Q3YAvQ==
-  dependencies:
-    abab "^2.0.3"
-    whatwg-mimetype "^2.3.0"
-    whatwg-url "^8.0.0"
-
 data-urls@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/data-urls/-/data-urls-3.0.1.tgz#597fc2ae30f8bc4dbcf731fcd1b1954353afc6f8"
@@ -3764,7 +3750,7 @@ decamelize@^4.0.0:
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-4.0.0.tgz#aa472d7bf660eb15f3494efd531cab7f2a709837"
   integrity sha512-9iE1PgSik9HeIIw2JO94IidnE3eBoQrFJ3w7sFuzSX4DpmZ3v5sZpUiV5Swcf6mQEF+Y0ru8Neo+p+nyh2J+hQ==
 
-decimal.js@^10.2.1, decimal.js@^10.3.1:
+decimal.js@^10.3.1:
   version "10.3.1"
   resolved "https://registry.yarnpkg.com/decimal.js/-/decimal.js-10.3.1.tgz#d8c3a444a9c6774ba60ca6ad7261c3a94fd5e783"
   integrity sha512-V0pfhfr8suzyPGOx3nmq4aHqabehUZn6Ch9kyFpV79TGDTWFmHqUqXdabR7QHqxzrYolF4+tVmJhUG4OURg5dQ==
@@ -3941,13 +3927,6 @@ domelementtype@^2.0.1, domelementtype@^2.2.0:
   resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-2.2.0.tgz#9a0b6c2782ed6a1c7323d42267183df9bd8b1d57"
   integrity sha512-DtBMo82pv1dFtUmHyr48beiuq792Sxohr+8Hm9zoxklYPfa6n0Z3Byjj2IV7bmr2IyqClnqEQhfgHJJ5QF0R5A==
 
-domexception@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/domexception/-/domexception-2.0.1.tgz#fb44aefba793e1574b0af6aed2801d057529f304"
-  integrity sha512-yxJ2mFy/sibVQlu5qHjOkf9J3K6zgmCxgJ94u2EdvDOV09H+32LtRswEcUsmUWN72pVLOEnTSRaIVVzVQgS0dg==
-  dependencies:
-    webidl-conversions "^5.0.0"
-
 domexception@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/domexception/-/domexception-4.0.0.tgz#4ad1be56ccadc86fc76d033353999a8037d03673"
@@ -5819,13 +5798,6 @@ hpagent@^0.1.1:
   resolved "https://registry.yarnpkg.com/hpagent/-/hpagent-0.1.2.tgz#cab39c66d4df2d4377dbd212295d878deb9bdaa9"
   integrity sha512-ePqFXHtSQWAFXYmj+JtOTHr84iNrII4/QRlAAPPE+zqnKy4xJo7Ie1Y4kC7AdB+LxLxSTTzBMASsEcy0q8YyvQ==
 
-html-encoding-sniffer@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/html-encoding-sniffer/-/html-encoding-sniffer-2.0.1.tgz#42a6dc4fd33f00281176e8b23759ca4e4fa185f3"
-  integrity sha512-D5JbOMBIR/TVZkubHT+OyT2705QvogUW4IBn6nHd756OwieSF9aDYFj4dv6HHEVGYbHaLETa3WggZYWWMyy3ZQ==
-  dependencies:
-    whatwg-encoding "^1.0.5"
-
 html-encoding-sniffer@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/html-encoding-sniffer/-/html-encoding-sniffer-3.0.0.tgz#2cb1a8cf0db52414776e5b2a7a04d5dd98158de9"
@@ -6781,40 +6753,7 @@ jsbn@~0.1.0:
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
   integrity sha1-peZUwuWi3rXyAdls77yoDA7y9RM=
 
-jsdom@^16.5.3:
-  version "16.7.0"
-  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-16.7.0.tgz#918ae71965424b197c819f8183a754e18977b710"
-  integrity sha512-u9Smc2G1USStM+s/x1ru5Sxrl6mPYCbByG1U/hUmqaVsm4tbNyS7CicOSRyuGQYZhTu0h84qkZZQ/I+dzizSVw==
-  dependencies:
-    abab "^2.0.5"
-    acorn "^8.2.4"
-    acorn-globals "^6.0.0"
-    cssom "^0.4.4"
-    cssstyle "^2.3.0"
-    data-urls "^2.0.0"
-    decimal.js "^10.2.1"
-    domexception "^2.0.1"
-    escodegen "^2.0.0"
-    form-data "^3.0.0"
-    html-encoding-sniffer "^2.0.1"
-    http-proxy-agent "^4.0.1"
-    https-proxy-agent "^5.0.0"
-    is-potential-custom-element-name "^1.0.1"
-    nwsapi "^2.2.0"
-    parse5 "6.0.1"
-    saxes "^5.0.1"
-    symbol-tree "^3.2.4"
-    tough-cookie "^4.0.0"
-    w3c-hr-time "^1.0.2"
-    w3c-xmlserializer "^2.0.0"
-    webidl-conversions "^6.1.0"
-    whatwg-encoding "^1.0.5"
-    whatwg-mimetype "^2.3.0"
-    whatwg-url "^8.5.0"
-    ws "^7.4.6"
-    xml-name-validator "^3.0.0"
-
-jsdom@~18.1.0:
+jsdom@^18.0.0, jsdom@~18.1.0:
   version "18.1.1"
   resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-18.1.1.tgz#15ec896f5ab7df9669a62375606f47c8c09551aa"
   integrity sha512-NmJQbjQ/gpS/1at/ce3nCx89HbXL/f5OcenBe8wU1Eik0ROhyUc3LtmG3567dEHAGXkN8rmILW/qtCOPxPHQJw==
@@ -7445,7 +7384,7 @@ lodash.upperfirst@4.3.1:
   resolved "https://registry.yarnpkg.com/lodash.upperfirst/-/lodash.upperfirst-4.3.1.tgz#1365edf431480481ef0d1c68957a5ed99d49f7ce"
   integrity sha1-E2Xt9DFIBIHvDRxolXpe2Z1J984=
 
-lodash@4.17.21, lodash@^4.14.2, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.20, lodash@^4.17.21, lodash@^4.7.0, lodash@~4.17.10, lodash@~4.17.19, lodash@~4.17.21:
+lodash@4.17.21, lodash@^4.14.2, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.20, lodash@^4.17.21, lodash@~4.17.10, lodash@~4.17.19, lodash@~4.17.21:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
@@ -11017,13 +10956,6 @@ tpl@^0.3.0:
     optimist ">=0.3.0"
     props ">=0.2.2"
 
-tr46@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/tr46/-/tr46-2.1.0.tgz#fa87aa81ca5d5941da8cbf1f9b749dc969a4e240"
-  integrity sha512-15Ih7phfcdP5YxqiB+iDtLoaTz4Nd35+IiAv0kQ5FNKHzXgdWqPoTIqEDDJmXceQt4JZk6lVPT8lnDlPpGDppw==
-  dependencies:
-    punycode "^2.1.1"
-
 tr46@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/tr46/-/tr46-3.0.0.tgz#555c4e297a950617e8eeddef633c87d4d9d6cbf9"
@@ -11477,13 +11409,6 @@ w3c-hr-time@^1.0.2:
   dependencies:
     browser-process-hrtime "^1.0.0"
 
-w3c-xmlserializer@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/w3c-xmlserializer/-/w3c-xmlserializer-2.0.0.tgz#3e7104a05b75146cc60f564380b7f683acf1020a"
-  integrity sha512-4tzD0mF8iSiMiNs30BiLO3EpfGLZUT2MSX/G+o7ZywDzliWQ3OPtTZ0PTC3B3ca1UAf4cJMHB+2Bf56EriJuRA==
-  dependencies:
-    xml-name-validator "^3.0.0"
-
 w3c-xmlserializer@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/w3c-xmlserializer/-/w3c-xmlserializer-3.0.0.tgz#06cdc3eefb7e4d0b20a560a5a3aeb0d2d9a65923"
@@ -11508,16 +11433,6 @@ webidl-conversions@^3.0.0:
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
   integrity sha1-JFNCdeKnvGvnvIZhHMFq4KVlSHE=
 
-webidl-conversions@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-5.0.0.tgz#ae59c8a00b121543a2acc65c0434f57b0fc11aff"
-  integrity sha512-VlZwKPCkYKxQgeSbH5EyngOmRp7Ww7I9rQLERETtf5ofd9pGeswWiOtogpEO850jziPRarreGxn5QIiTqpb2wA==
-
-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==
-
 webidl-conversions@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-7.0.0.tgz#256b4e1882be7debbf01d05f0aa2039778ea080a"
@@ -11537,13 +11452,6 @@ websocket-extensions@>=0.1.1:
   resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.4.tgz#7f8473bc839dfd87608adb95d7eb075211578a42"
   integrity sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg==
 
-whatwg-encoding@^1.0.5:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/whatwg-encoding/-/whatwg-encoding-1.0.5.tgz#5abacf777c32166a51d085d6b4f3e7d27113ddb0"
-  integrity sha512-b5lim54JOPN9HtzvK9HFXvBma/rnfFeqsic0hSpjtDbVxR3dJKLc+KB4V6GgiGOvl7CY/KNh8rxSo9DKQrnUEw==
-  dependencies:
-    iconv-lite "0.4.24"
-
 whatwg-encoding@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/whatwg-encoding/-/whatwg-encoding-2.0.0.tgz#e7635f597fd87020858626805a2729fa7698ac53"
@@ -11551,11 +11459,6 @@ whatwg-encoding@^2.0.0:
   dependencies:
     iconv-lite "0.6.3"
 
-whatwg-mimetype@^2.3.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/whatwg-mimetype/-/whatwg-mimetype-2.3.0.tgz#3d4b1e0312d2079879f826aff18dbeeca5960fbf"
-  integrity sha512-M4yMwr6mAnQz76TbJm914+gPpB/nCwvZbJU28cUD6dR004SAxDLOOSUaB1JDRqLtaOV/vi0IC5lEAGFgrjGv/g==
-
 whatwg-mimetype@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/whatwg-mimetype/-/whatwg-mimetype-3.0.0.tgz#5fa1a7623867ff1af6ca3dc72ad6b8a4208beba7"
@@ -11577,15 +11480,6 @@ whatwg-url@^5.0.0:
     tr46 "~0.0.3"
     webidl-conversions "^3.0.0"
 
-whatwg-url@^8.0.0, whatwg-url@^8.5.0:
-  version "8.7.0"
-  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-8.7.0.tgz#656a78e510ff8f3937bc0bcbe9f5c0ac35941b77"
-  integrity sha512-gAojqb/m9Q8a5IV96E3fHJM70AzCkgt4uXYX2O7EmuyOnLrViCQlsEBmF9UQIu3/aeAIp2U17rtbpZWNntQqdg==
-  dependencies:
-    lodash "^4.7.0"
-    tr46 "^2.1.0"
-    webidl-conversions "^6.1.0"
-
 which-boxed-primitive@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/which-boxed-primitive/-/which-boxed-primitive-1.0.2.tgz#13757bc89b209b049fe5d86430e21cf40a89a8e6"
@@ -11672,21 +11566,11 @@ write@1.0.3:
   dependencies:
     mkdirp "^0.5.1"
 
-ws@^7.4.6:
-  version "7.5.6"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.6.tgz#e59fc509fb15ddfb65487ee9765c5a51dec5fe7b"
-  integrity sha512-6GLgCqo2cy2A2rjCNFlxQS6ZljG/coZfZXclldI8FB/1G3CCI36Zd8xy2HrFVACi8tfk5XrgLQEk+P0Tnz9UcA==
-
 ws@^8.2.3:
   version "8.3.0"
   resolved "https://registry.yarnpkg.com/ws/-/ws-8.3.0.tgz#7185e252c8973a60d57170175ff55fdbd116070d"
   integrity sha512-Gs5EZtpqZzLvmIM59w4igITU57lrtYVFneaa434VROv4thzJyV6UjIL3D42lslWlI+D4KzLYnxSwtfuiO79sNw==
 
-xml-name-validator@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-3.0.0.tgz#6ae73e06de4d8c6e47f9fb181f78d648ad457c6a"
-  integrity sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw==
-
 xml-name-validator@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-4.0.0.tgz#79a006e2e63149a8600f15430f0a4725d1524835"