diff --git a/build/frontend-legacy/package-lock.json b/build/frontend-legacy/package-lock.json
index ecc20cb2b877d..03024fba46bf1 100644
--- a/build/frontend-legacy/package-lock.json
+++ b/build/frontend-legacy/package-lock.json
@@ -45,7 +45,7 @@
         "crypto-browserify": "^3.12.1",
         "davclient.js": "nextcloud-deps/davclient.js#59d7777d7fe290c5f1fd74a58e7eb529b63e153d",
         "debounce": "^3.0.0",
-        "dompurify": "^3.4.0",
+        "dompurify": "^3.4.11",
         "escape-html": "^1.0.3",
         "focus-trap": "^8.0.1",
         "is-svg": "^6.1.0",
@@ -9245,9 +9245,9 @@
       }
     },
     "node_modules/dompurify": {
-      "version": "3.4.2",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.2.tgz",
-      "integrity": "sha512-lHeS9SA/IKeIFFyYciHBr2n0v1VMPlSj843HdLOwjb2OxNwdq9Xykxqhk+FE42MzAdHvInbAolSE4mhahPpjXA==",
+      "version": "3.4.11",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.11.tgz",
+      "integrity": "sha512-zhlUV12GsaRzMsf9q5M254YhA4+VuF0fG+QFqu6aYpoGlKtz+w8//jBcGVYBgQkR5GHjUomejY84AV+/uPbWdw==",
       "license": "(MPL-2.0 OR Apache-2.0)",
       "optionalDependencies": {
         "@types/trusted-types": "^2.0.7"
diff --git a/build/frontend-legacy/package.json b/build/frontend-legacy/package.json
index 5657e70351236..06b012f5560c1 100644
--- a/build/frontend-legacy/package.json
+++ b/build/frontend-legacy/package.json
@@ -64,7 +64,7 @@
     "crypto-browserify": "^3.12.1",
     "davclient.js": "nextcloud-deps/davclient.js#59d7777d7fe290c5f1fd74a58e7eb529b63e153d",
     "debounce": "^3.0.0",
-    "dompurify": "^3.4.0",
+    "dompurify": "^3.4.11",
     "escape-html": "^1.0.3",
     "focus-trap": "^8.0.1",
     "is-svg": "^6.1.0",