diff --git a/package.json b/package.json
index f233f86395..c41e05f932 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
 		"@types/koa__cors": "3.0.1",
 		"@types/koa__multer": "2.0.2",
 		"@types/koa__router": "8.0.2",
-		"@types/markdown-it": "10.0.1",
+		"@types/markdown-it": "10.0.3",
 		"@types/mocha": "7.0.2",
 		"@types/node": "14.0.22",
 		"@types/node-fetch": "2.5.7",
diff --git a/yarn.lock b/yarn.lock
index 1b95cce63c..3a4fe9d40a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -506,6 +506,11 @@
     "@types/vinyl-fs" "*"
     chokidar "^2.1.2"
 
+"@types/highlight.js@^9.7.0":
+  version "9.12.4"
+  resolved "https://registry.yarnpkg.com/@types/highlight.js/-/highlight.js-9.12.4.tgz#8c3496bd1b50cc04aeefd691140aa571d4dbfa34"
+  integrity sha512-t2szdkwmg2JJyuCM20e8kR2X59WCE5Zkl4bzm1u1Oukjm79zpbiAv+QjnwLnuuV0WHEcX2NgUItu0pAMKuOPww==
+
 "@types/http-assert@*":
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/@types/http-assert/-/http-assert-1.5.1.tgz#d775e93630c2469c2f980fc27e3143240335db3b"
@@ -669,13 +674,15 @@
   resolved "https://registry.yarnpkg.com/@types/linkify-it/-/linkify-it-2.1.0.tgz#ea3dd64c4805597311790b61e872cbd1ed2cd806"
   integrity sha512-Q7DYAOi9O/+cLLhdaSvKdaumWyHbm7HAk/bFwwyTuU0arR5yyCeW5GOoqt4tJTpDRxhpx9Q8kQL6vMpuw9hDSw==
 
-"@types/markdown-it@10.0.1":
-  version "10.0.1"
-  resolved "https://registry.yarnpkg.com/@types/markdown-it/-/markdown-it-10.0.1.tgz#94e252ab689c8e9ceb9aff2946e0a458390105eb"
-  integrity sha512-L1ibTdA5IUe/cRBlf3N3syAOBQSN1WCMGtAWir6mKxibiRl4LmpZM4jLz+7zAqiMnhQuAP1sqZOF9wXgn2kpEg==
+"@types/markdown-it@10.0.3":
+  version "10.0.3"
+  resolved "https://registry.yarnpkg.com/@types/markdown-it/-/markdown-it-10.0.3.tgz#a9800d14b112c17f1de76ec33eff864a4815eec7"
+  integrity sha512-daHJk22isOUvNssVGF2zDnnSyxHhFYhtjeX4oQaKD6QzL3ZR1QSgiD1g+Q6/WSWYVogNXYDXODtbgW/WiFCtyw==
   dependencies:
+    "@types/highlight.js" "^9.7.0"
     "@types/linkify-it" "*"
     "@types/mdurl" "*"
+    highlight.js "^9.7.0"
 
 "@types/mdurl@*":
   version "1.0.2"
@@ -4628,6 +4635,11 @@ highlight.js@^10.0.0:
   resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-10.4.1.tgz#d48fbcf4a9971c4361b3f95f302747afe19dbad0"
   integrity sha512-yR5lWvNz7c85OhVAEAeFhVCc/GV4C30Fjzc/rCP0aCWzc1UUOPUk55dK/qdwTZHBvMZo+eZ2jpk62ndX/xMFlg==
 
+highlight.js@^9.7.0:
+  version "9.18.5"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.18.5.tgz#d18a359867f378c138d6819edfc2a8acd5f29825"
+  integrity sha512-a5bFyofd/BHCX52/8i8uJkjr9DYwXIPnM/plwI6W7ezItLGqzt7X2G2nXuYSfsIJdkwwj/g9DG1LkcGJI/dDoA==
+
 homedir-polyfill@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/homedir-polyfill/-/homedir-polyfill-1.0.3.tgz#743298cef4e5af3e194161fbadcc2151d3a058e8"