diff --git a/client/package.json b/client/package.json
index 250afc9990fd..7c30da5a5fc2 100644
--- a/client/package.json
+++ b/client/package.json
@@ -65,7 +65,7 @@
     "copy-to-clipboard": "^3.3.3",
     "cross-env": "^7.0.3",
     "date-fns": "^3.3.1",
-    "dompurify": "^3.3.0",
+    "dompurify": "^3.4.9",
     "downloadjs": "^1.4.7",
     "export-from-json": "^1.7.2",
     "filenamify": "^6.0.0",
diff --git a/package-lock.json b/package-lock.json
index 09c5219afbbb..f8526133ffca 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -416,7 +416,7 @@
         "copy-to-clipboard": "^3.3.3",
         "cross-env": "^7.0.3",
         "date-fns": "^3.3.1",
-        "dompurify": "^3.3.0",
+        "dompurify": "^3.4.9",
         "downloadjs": "^1.4.7",
         "export-from-json": "^1.7.2",
         "filenamify": "^6.0.0",
@@ -25858,13 +25858,10 @@
       }
     },
     "node_modules/dompurify": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.3.2.tgz",
-      "integrity": "sha512-6obghkliLdmKa56xdbLOpUZ43pAR6xFy1uOrxBaIDjT+yaRuuybLjGS9eVBoSR/UPU5fq3OXClEHLJNGvbxKpQ==",
+      "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)",
-      "engines": {
-        "node": ">=20"
-      },
       "optionalDependencies": {
         "@types/trusted-types": "^2.0.7"
       }
@@ -34326,6 +34323,15 @@
         "marked": "14.0.0"
       }
     },
+    "node_modules/monaco-editor/node_modules/dompurify": {
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.2.7.tgz",
+      "integrity": "sha512-WhL/YuveyGXJaerVlMYGWhvQswa7myDG17P7Vu65EWC05o8vfeNbvNf4d/BOvH99+ZW+LlQsc1GDKMa1vNK6dw==",
+      "license": "(MPL-2.0 OR Apache-2.0)",
+      "optionalDependencies": {
+        "@types/trusted-types": "^2.0.7"
+      }
+    },
     "node_modules/monaco-editor/node_modules/marked": {
       "version": "14.0.0",
       "resolved": "https://registry.npmjs.org/marked/-/marked-14.0.0.tgz",
@@ -44335,7 +44341,7 @@
         "@tanstack/react-virtual": "^3.0.0",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
-        "dompurify": "^3.3.0",
+        "dompurify": "^3.4.9",
         "framer-motion": "^12.23.6",
         "i18next": "^24.2.2 || ^25.3.2",
         "i18next-browser-languagedetector": "^8.2.0",
diff --git a/packages/client/package.json b/packages/client/package.json
index 13d1a4a8ccf0..0adf184ec099 100644
--- a/packages/client/package.json
+++ b/packages/client/package.json
@@ -58,7 +58,7 @@
     "@tanstack/react-virtual": "^3.0.0",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
-    "dompurify": "^3.3.0",
+    "dompurify": "^3.4.9",
     "framer-motion": "^12.23.6",
     "i18next": "^24.2.2 || ^25.3.2",
     "i18next-browser-languagedetector": "^8.2.0",