diff --git a/trailblazers/package-lock.json b/trailblazers/package-lock.json
index 2f589feed5..64ed2b5598 100644
--- a/trailblazers/package-lock.json
+++ b/trailblazers/package-lock.json
@@ -12,7 +12,7 @@
         "@zachleat/heading-anchors": "^1.0.5",
         "browser-fs-access": "^0.38.0",
         "built-in-ai-task-apis-polyfills": "^1.11.0",
-        "dompurify": "^3.4.2",
+        "dompurify": "^3.4.9",
         "eleventy-plugin-i18n": "^0.1.3",
         "input-switch-polyfill": "^1.11.0",
         "jszip": "^3.10.1",
@@ -2820,9 +2820,9 @@
       }
     },
     "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/trailblazers/package.json b/trailblazers/package.json
index a40eb2c492..40ac2bedcd 100644
--- a/trailblazers/package.json
+++ b/trailblazers/package.json
@@ -38,7 +38,7 @@
     "@zachleat/heading-anchors": "^1.0.5",
     "browser-fs-access": "^0.38.0",
     "built-in-ai-task-apis-polyfills": "^1.11.0",
-    "dompurify": "^3.4.2",
+    "dompurify": "^3.4.9",
     "eleventy-plugin-i18n": "^0.1.3",
     "input-switch-polyfill": "^1.11.0",
     "jszip": "^3.10.1",