diff --git a/package-lock.json b/package-lock.json
index c4b2a1a30f..22ca8c8d21 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
         "@vscode/test-web": "^0.0.80",
         "3dmol": "^2.5.4",
         "chai": "^6.2.2",
-        "dompurify": "^3.4.9",
+        "dompurify": "^3.4.11",
         "esbuild": "0.28.1",
         "eslint": "^10.2.0",
         "events": "^3.3.0",
@@ -3184,9 +3184,9 @@
       }
     },
     "node_modules/dompurify": {
-      "version": "3.4.9",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.9.tgz",
-      "integrity": "sha512-4dPSRMRDqHvs0V4YDFCsaIZo4if5u0xM+llyxiM2fwuZFdKArUBAF3VtI2+n8NKg9P870WMdYk0UhqQNoWXbfQ==",
+      "version": "3.4.11",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.11.tgz",
+      "integrity": "sha512-zhlUV12GsaRzMsf9q5M254YhA4+VuF0fG+QFqu6aYpoGlKtz+w8//jBcGVYBgQkR5GHjUomejY84AV+/uPbWdw==",
       "dev": true,
       "license": "(MPL-2.0 OR Apache-2.0)",
       "optionalDependencies": {
diff --git a/package.json b/package.json
index 0771a733f0..17e4f785c1 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@vscode/test-electron": "^2.5.2",
     "3dmol": "^2.5.4",
     "chai": "^6.2.2",
-    "dompurify": "^3.4.9",
+    "dompurify": "^3.4.11",
     "esbuild": "0.28.1",
     "eslint": "^10.2.0",
     "events": "^3.3.0",