diff --git a/ghost/email-service/package.json b/ghost/email-service/package.json
index c8f4d3eb82..f9896960f0 100644
--- a/ghost/email-service/package.json
+++ b/ghost/email-service/package.json
@@ -19,7 +19,7 @@
   ],
   "devDependencies": {
     "c8": "8.0.1",
-    "html-validate": "8.19.1",
+    "html-validate": "8.20.0",
     "mocha": "10.2.0",
     "should": "13.2.3",
     "sinon": "15.2.0"
diff --git a/yarn.lock b/yarn.lock
index 96042530de..3c8353e863 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -18546,10 +18546,10 @@ html-to-text@8.2.1:
     minimist "^1.2.6"
     selderee "^0.6.0"
 
-html-validate@8.19.1:
-  version "8.19.1"
-  resolved "https://registry.yarnpkg.com/html-validate/-/html-validate-8.19.1.tgz#07212b2d12ce4ea39b3635a51e54d8552810e0e6"
-  integrity sha512-8nV35ZRr2eOy1tGeFZzBaV4rHaHtK6GZRfjOsqXi/iZ0BMajfMHcCZno2mWsSmX2rcjD228WbHgiAldTZwO2Xw==
+html-validate@8.20.0:
+  version "8.20.0"
+  resolved "https://registry.yarnpkg.com/html-validate/-/html-validate-8.20.0.tgz#8ac1d7fc0ba7a65acc8601aa7469022361fad637"
+  integrity sha512-8tzr5b72BfUK/zBsfVN/1qrECfdATs12+3Q5jxUf24tDUquw3tHRW3QWoz9BBmeXKvDVmvuLrBk+Ad1u/i18EA==
   dependencies:
     "@babel/code-frame" "^7.10.0"
     "@html-validate/stylish" "^4.1.0"