diff --git a/packages/firebase_messaging/firebase_messaging/example/bundled-service-worker/yarn.lock b/packages/firebase_messaging/firebase_messaging/example/bundled-service-worker/yarn.lock
index fb56528d2d31..73e1b4ab95ed 100644
--- a/packages/firebase_messaging/firebase_messaging/example/bundled-service-worker/yarn.lock
+++ b/packages/firebase_messaging/firebase_messaging/example/bundled-service-worker/yarn.lock
@@ -1013,9 +1013,9 @@ wrappy@1:
   integrity sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==
 
 ws@>=7.4.6:
-  version "8.9.0"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-8.9.0.tgz#2a994bb67144be1b53fe2d23c53c028adeb7f45e"
-  integrity sha512-Ja7nszREasGaYUYCI2k4lCKIRTt+y7XuqVoHR44YpI49TtryyqbqvDMn5eqfW7e6HzTukDRIsXqzVHScqRcafg==
+  version "8.21.0"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-8.21.0.tgz#012e413fc07429945121b0c153158c4343086951"
+  integrity sha512-Vsp28b7DRcimFQvrqu2Wek3z1iYxDCWqHYB8Qsnk/S4RfaCQzPGPyBNuVjJV3cd6UiKtUtp6sNM77gWvzcCH+g==
 
 y18n@^5.0.5:
   version "5.0.8"