diff --git a/welcome/package.json b/welcome/package.json
index ff376ff8..c3af6cf9 100644
--- a/welcome/package.json
+++ b/welcome/package.json
@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@surfnet/sds": "^0.0.162",
-    "dompurify": "^3.4.0",
+    "dompurify": "^3.4.11",
     "i18n-js": "^4.5.3",
     "isomorphic-dompurify": "^3.0.0",
     "js-cookie": "^3.0.7",
diff --git a/welcome/yarn.lock b/welcome/yarn.lock
index b65752f9..50ec5374 100644
--- a/welcome/yarn.lock
+++ b/welcome/yarn.lock
@@ -1475,10 +1475,10 @@ dom-accessibility-api@^0.6.3:
   resolved "https://registry.yarnpkg.com/dom-accessibility-api/-/dom-accessibility-api-0.6.3.tgz#993e925cc1d73f2c662e7d75dd5a5445259a8fd8"
   integrity sha512-7ZgogeTnjuHbo+ct10G9Ffp0mif17idi0IyWNVA/wcwcm7NPOD/WEHVP3n7n3MhXqxoIYm8d6MuZohYWIZ4T3w==
 
-dompurify@^3.3.1, dompurify@^3.4.0:
-  version "3.4.0"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.4.0.tgz#b1fc33ebdadb373241621e0a30e4ad81573dfd0b"
-  integrity sha512-nolgK9JcaUXMSmW+j1yaSvaEaoXYHwWyGJlkoCTghc97KgGDDSnpoU/PlEnw63Ah+TGKFOyY+X5LnxaWbCSfXg==
+dompurify@^3.3.1, dompurify@^3.4.11:
+  version "3.4.11"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.4.11.tgz#29c8ba496475f279ef4015784068452fb14a0680"
+  integrity sha512-zhlUV12GsaRzMsf9q5M254YhA4+VuF0fG+QFqu6aYpoGlKtz+w8//jBcGVYBgQkR5GHjUomejY84AV+/uPbWdw==
   optionalDependencies:
     "@types/trusted-types" "^2.0.7"