diff --git a/src/Elastic.Documentation.Site/package-lock.json b/src/Elastic.Documentation.Site/package-lock.json
index b38eed668..fcfc04cb6 100644
--- a/src/Elastic.Documentation.Site/package-lock.json
+++ b/src/Elastic.Documentation.Site/package-lock.json
@@ -30,7 +30,7 @@
         "@tanstack/react-query": "^5.100.9",
         "@theletterf/beautiful-mermaid": "0.1.5",
         "@uidotdev/usehooks": "2.4.1",
-        "dompurify": "3.4.2",
+        "dompurify": "3.4.9",
         "highlight.js": "11.11.1",
         "htmx-ext-head-support": "2.0.5",
         "htmx-ext-preload": "2.1.2",
@@ -26760,9 +26760,9 @@
       }
     },
     "node_modules/dompurify": {
-      "version": "3.4.2",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.2.tgz",
-      "integrity": "sha512-lHeS9SA/IKeIFFyYciHBr2n0v1VMPlSj843HdLOwjb2OxNwdq9Xykxqhk+FE42MzAdHvInbAolSE4mhahPpjXA==",
+      "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)",
       "optionalDependencies": {
         "@types/trusted-types": "^2.0.7"
diff --git a/src/Elastic.Documentation.Site/package.json b/src/Elastic.Documentation.Site/package.json
index 659e80bff..ba2683df5 100644
--- a/src/Elastic.Documentation.Site/package.json
+++ b/src/Elastic.Documentation.Site/package.json
@@ -120,7 +120,7 @@
     "@tanstack/react-query": "^5.100.9",
     "@uidotdev/usehooks": "2.4.1",
     "@theletterf/beautiful-mermaid": "0.1.5",
-    "dompurify": "3.4.2",
+    "dompurify": "3.4.9",
     "highlight.js": "11.11.1",
     "htmx-ext-head-support": "2.0.5",
     "htmx-ext-preload": "2.1.2",