diff --git a/package-lock.json b/package-lock.json
index 3880445..c9ae932 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "@github/copilot-sdk": "^0.2.2",
         "@sveltejs/adapter-node": "^5.5.4",
         "@sveltejs/kit": "^2.57.1",
-        "dompurify": "^3.4.0",
+        "dompurify": "^3.4.2",
         "express-session": "^1.18.0",
         "highlight.js": "^11.11.1",
         "lucide-svelte": "^1.0.1",
@@ -2542,9 +2542,9 @@
       "license": "MIT"
     },
     "node_modules/dompurify": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.0.tgz",
-      "integrity": "sha512-nolgK9JcaUXMSmW+j1yaSvaEaoXYHwWyGJlkoCTghc97KgGDDSnpoU/PlEnw63Ah+TGKFOyY+X5LnxaWbCSfXg==",
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.2.tgz",
+      "integrity": "sha512-lHeS9SA/IKeIFFyYciHBr2n0v1VMPlSj843HdLOwjb2OxNwdq9Xykxqhk+FE42MzAdHvInbAolSE4mhahPpjXA==",
       "license": "(MPL-2.0 OR Apache-2.0)",
       "optionalDependencies": {
         "@types/trusted-types": "^2.0.7"
diff --git a/package.json b/package.json
index 8899064..9409ea4 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "@github/copilot-sdk": "^0.2.2",
     "@sveltejs/adapter-node": "^5.5.4",
     "@sveltejs/kit": "^2.57.1",
-    "dompurify": "^3.4.0",
+    "dompurify": "^3.4.2",
     "express-session": "^1.18.0",
     "highlight.js": "^11.11.1",
     "lucide-svelte": "^1.0.1",