diff --git a/website/package.json b/website/package.json
index 627717250..f8ece9a7f 100644
--- a/website/package.json
+++ b/website/package.json
@@ -28,7 +28,7 @@
     "axios": "^1.14.0",
     "brace-expansion": "^1.1.12",
     "docusaurus-plugin-internaldocs-fb": "1.8.0",
-    "dompurify": "^3.4.0",
+    "dompurify": "^3.4.9",
     "eta": "^2.0.0",
     "http-cache-semantics": "^4.1.1",
     "http-proxy-middleware": "^2.0.7",
@@ -71,7 +71,7 @@
     "webpack-dev-middleware": "^5.3.4",
     "braces": "^3.0.3",
     "ws": "^8.17.1",
-    "dompurify": "^3.4.0",
+    "dompurify": "^3.4.9",
     "send": "^0.19.0",
     "serve-static": "^1.16.0",
     "cookie": "^0.7.0",
diff --git a/website/yarn.lock b/website/yarn.lock
index 7b512ff97..fa843ed63 100644
--- a/website/yarn.lock
+++ b/website/yarn.lock
@@ -4769,10 +4769,10 @@ domhandler@^5.0.2, domhandler@^5.0.3:
   dependencies:
     domelementtype "^2.3.0"
 
-dompurify@^3.2.4, dompurify@^3.4.0:
-  version "3.4.8"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.4.8.tgz#6c54f8c207160e7f83fcb7f4fd05a82ac36b1cdc"
-  integrity sha512-yb1cEmaOum7wFvOCSQxyfgVlv5D47Rc30iZWoMpbDIWTnJ6grDDQyu2KFJzB2k7u0pMuJcQ1zphH//fFnw2tjQ==
+dompurify@^3.2.4, dompurify@^3.4.9:
+  version "3.4.9"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.4.9.tgz#b036637b2df8997126b58837bc90f85dbcad6b2f"
+  integrity sha512-4dPSRMRDqHvs0V4YDFCsaIZo4if5u0xM+llyxiM2fwuZFdKArUBAF3VtI2+n8NKg9P870WMdYk0UhqQNoWXbfQ==
   optionalDependencies:
     "@types/trusted-types" "^2.0.7"