diff --git a/src/frontend/yarn.lock b/src/frontend/yarn.lock
index 82379e6c49..35d336a6a4 100644
--- a/src/frontend/yarn.lock
+++ b/src/frontend/yarn.lock
@@ -2621,9 +2621,9 @@ dom-helpers@^5.0.1:
     csstype "^3.0.2"
 
 dompurify@^3.4.8:
-  version "3.4.8"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.4.8.tgz#6c54f8c207160e7f83fcb7f4fd05a82ac36b1cdc"
-  integrity sha512-yb1cEmaOum7wFvOCSQxyfgVlv5D47Rc30iZWoMpbDIWTnJ6grDDQyu2KFJzB2k7u0pMuJcQ1zphH//fFnw2tjQ==
+  version "3.4.9"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.4.9.tgz#b036637b2df8997126b58837bc90f85dbcad6b2f"
+  integrity sha512-4dPSRMRDqHvs0V4YDFCsaIZo4if5u0xM+llyxiM2fwuZFdKArUBAF3VtI2+n8NKg9P870WMdYk0UhqQNoWXbfQ==
   optionalDependencies:
     "@types/trusted-types" "^2.0.7"