diff --git a/extensions/markdown-language-features/package.json b/extensions/markdown-language-features/package.json
index e238a24b0fe9d..dc5a85d7d6a74 100644
--- a/extensions/markdown-language-features/package.json
+++ b/extensions/markdown-language-features/package.json
@@ -767,7 +767,7 @@
   },
   "dependencies": {
     "@vscode/extension-telemetry": "^0.9.0",
-    "dompurify": "^3.0.5",
+    "dompurify": "^3.1.3",
     "highlight.js": "^11.8.0",
     "markdown-it": "^12.3.2",
     "markdown-it-front-matter": "^0.2.4",
diff --git a/extensions/markdown-language-features/yarn.lock b/extensions/markdown-language-features/yarn.lock
index 2b688e4059269..008236561d2e4 100644
--- a/extensions/markdown-language-features/yarn.lock
+++ b/extensions/markdown-language-features/yarn.lock
@@ -201,10 +201,10 @@ concat-map@0.0.1:
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
   integrity sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==
 
-dompurify@^3.0.5:
-  version "3.0.5"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.0.5.tgz#eb3d9cfa10037b6e73f32c586682c4b2ab01fbed"
-  integrity sha512-F9e6wPGtY+8KNMRAVfxeCOHU0/NPWMSENNq4pQctuXRqqdEPW7q3CrLbR5Nse044WwacyjHGOMlvNsBe1y6z9A==
+dompurify@^3.1.3:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.1.3.tgz#cfe3ce4232c216d923832f68f2aa18b2fb9bd223"
+  integrity sha512-5sOWYSNPaxz6o2MUPvtyxTTqR4D3L77pr5rUQoWgD5ROQtVIZQgJkXbo1DLlK3vj11YGw5+LnF4SYti4gZmwng==
 
 entities@~2.1.0:
   version "2.1.0"