diff --git a/ops/services/app_functions/test_data_publisher/functions/yarn.lock b/ops/services/app_functions/test_data_publisher/functions/yarn.lock
index 302c2c504ce..be60244e2f0 100644
--- a/ops/services/app_functions/test_data_publisher/functions/yarn.lock
+++ b/ops/services/app_functions/test_data_publisher/functions/yarn.lock
@@ -4032,9 +4032,9 @@ flat-cache@^3.0.4:
     rimraf "^3.0.2"
 
 flatted@^3.2.9:
-  version "3.3.3"
-  resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.3.3.tgz#67c8fad95454a7c7abebf74bb78ee74a44023358"
-  integrity sha512-GX+ysw4PBCz0PzosHDepZGANEuFCMLrnRTiEy9McGjmkCQYwRq4A/X786G/fjM/+OjsWSU1ZrY5qyARZmO/uwg==
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.4.2.tgz#f5c23c107f0f37de8dbdf24f13722b3b98d52726"
+  integrity sha512-PjDse7RzhcPkIJwy5t7KPWQSZ9cAbzQXcafsetQoD7sOJRQlGikNbx7yZp2OotDnJyrDcbyRq3Ttb18iYOqkxA==
 
 foreground-child@^3.1.0:
   version "3.3.1"