diff --git a/ui/package.json b/ui/package.json
index e6eb1501acae0..fa6ac8d4cb92b 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "@create-markdown/preview": "2.0.3",
     "@noble/ed25519": "3.1.0",
-    "dompurify": "3.4.5",
+    "dompurify": "3.4.9",
     "highlight.js": "11.11.1",
     "json5": "2.2.3",
     "lit": "3.3.3",