diff --git a/ui/package.json b/ui/package.json
index 49ad0740183d..9feac7b09d62 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "@create-markdown/preview": "^2.0.0",
     "@noble/ed25519": "3.0.1",
-    "dompurify": "^3.3.3",
+    "dompurify": "^3.4.0",
     "lit": "^3.3.2",
     "marked": "^17.0.5"
   },