diff --git a/package-lock.json b/package-lock.json
index b008998..4035841 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.0.0",
       "dependencies": {
         "@supabase/supabase-js": "^2.99.2",
-        "dompurify": "^3.2.6",
+        "dompurify": "^3.4.9",
         "marked": "^17.0.4",
         "react": "^19.2.4",
         "react-dom": "^19.2.4",
@@ -869,7 +869,6 @@
       "resolved": "https://registry.npmjs.org/@supabase/auth-js/-/auth-js-2.99.2.tgz",
       "integrity": "sha512-uRGNXMKEw4VhwouNW7N0XDAGqJP9redHNDmWi17dTrcO1lvFfyRiXsqqfgnVC8aqtRn8kLkLPEzHjiRWsni+oQ==",
       "license": "MIT",
-      "optional": true,
       "dependencies": {
         "tslib": "2.8.1"
       },
@@ -1914,9 +1913,9 @@
       }
     },
     "node_modules/dompurify": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.3.3.tgz",
-      "integrity": "sha512-Oj6pzI2+RqBfFG+qOaOLbFXLQ90ARpcGG6UePL82bJLtdsa6CYJD7nmiU8MW9nQNOtCHV3lZ/Bzq1X0QYbBZCA==",
+      "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/package.json b/package.json
index df46ede..2c167d0 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   },
   "dependencies": {
     "@supabase/supabase-js": "^2.99.2",
-    "dompurify": "^3.2.6",
+    "dompurify": "^3.4.9",
     "marked": "^17.0.4",
     "react": "^19.2.4",
     "react-dom": "^19.2.4",