diff --git a/packages/acp-client/package.json b/packages/acp-client/package.json
index 9caaf8b13..f52f3b2fa 100644
--- a/packages/acp-client/package.json
+++ b/packages/acp-client/package.json
@@ -26,7 +26,7 @@
   },
   "dependencies": {
     "@agentclientprotocol/sdk": "0.25.0",
-    "dompurify": "3.4.0",
+    "dompurify": "3.4.11",
     "lucide-react": "catalog:",
     "mermaid": "11.14.0",
     "prism-react-renderer": "catalog:",