diff --git a/ghost/email-service/package.json b/ghost/email-service/package.json
index 44891b8a2c..bc00087e5a 100644
--- a/ghost/email-service/package.json
+++ b/ghost/email-service/package.json
@@ -19,7 +19,7 @@
   ],
   "devDependencies": {
     "c8": "8.0.1",
-    "html-validate": "8.3.0",
+    "html-validate": "8.4.0",
     "mocha": "10.2.0",
     "should": "13.2.3",
     "sinon": "15.2.0"
diff --git a/yarn.lock b/yarn.lock
index b0443d30e8..f7d88bc2da 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -19360,10 +19360,10 @@ html-to-text@8.2.1:
     minimist "^1.2.6"
     selderee "^0.6.0"
 
-html-validate@8.3.0:
-  version "8.3.0"
-  resolved "https://registry.yarnpkg.com/html-validate/-/html-validate-8.3.0.tgz#c48fe108b9b031b07d998f6853dbe085579ce048"
-  integrity sha512-js06UWqlyYSmzWBEgYZJNyICNvhZVk47m0z3x6MhLpSIVmm7kSxq+SWE/WAQ5T+BCJmGPkJj6VeZh5/JR24fLQ==
+html-validate@8.4.0:
+  version "8.4.0"
+  resolved "https://registry.yarnpkg.com/html-validate/-/html-validate-8.4.0.tgz#afd6c8b73444a03b0df219ceb0b2c0b53ff92c9e"
+  integrity sha512-vHdWfdmopb28vIHHDhGKUJi6nuf7zTw1QBVb5cczEqQegKO1DeWqaTtdzmygVQzCRMbj9eiFVSKcgFoaynU2Qg==
   dependencies:
     "@babel/code-frame" "^7.10.0"
     "@html-validate/stylish" "^4.1.0"