diff --git a/Demos/Gemma3-on-Web/package-lock.json b/Demos/Gemma3-on-Web/package-lock.json
index 604f6828..95b8cacd 100644
--- a/Demos/Gemma3-on-Web/package-lock.json
+++ b/Demos/Gemma3-on-Web/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.0.0",
       "dependencies": {
         "@huggingface/transformers": "^3.7.1",
-        "dompurify": "^3.3.2",
+        "dompurify": "^3.4.9",
         "marked": "^15.0.4",
         "react": "19.1.1",
         "react-dom": "19.1.1"
@@ -2440,13 +2440,10 @@
       }
     },
     "node_modules/dompurify": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.3.2.tgz",
-      "integrity": "sha512-6obghkliLdmKa56xdbLOpUZ43pAR6xFy1uOrxBaIDjT+yaRuuybLjGS9eVBoSR/UPU5fq3OXClEHLJNGvbxKpQ==",
+      "version": "3.4.9",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.9.tgz",
+      "integrity": "sha512-4dPSRMRDqHvs0V4YDFCsaIZo4if5u0xM+llyxiM2fwuZFdKArUBAF3VtI2+n8NKg9P870WMdYk0UhqQNoWXbfQ==",
       "license": "(MPL-2.0 OR Apache-2.0)",
-      "engines": {
-        "node": ">=20"
-      },
       "optionalDependencies": {
         "@types/trusted-types": "^2.0.7"
       }
diff --git a/Demos/Gemma3-on-Web/package.json b/Demos/Gemma3-on-Web/package.json
index 27c3ea8e..dcb808f0 100644
--- a/Demos/Gemma3-on-Web/package.json
+++ b/Demos/Gemma3-on-Web/package.json
@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@huggingface/transformers": "^3.7.1",
-    "dompurify": "^3.3.2",
+    "dompurify": "^3.4.9",
     "marked": "^15.0.4",
     "react": "19.1.1",
     "react-dom": "19.1.1"