diff --git a/app/assets/javascripts/discourse/package.json b/app/assets/javascripts/discourse/package.json
index 7c8384f3c6c..f0827e4efb2 100644
--- a/app/assets/javascripts/discourse/package.json
+++ b/app/assets/javascripts/discourse/package.json
@@ -81,7 +81,7 @@
     "jsdom": "^20.0.2",
     "loader.js": "^4.7.0",
     "markdown-it": "^13.0.1",
-    "message-bus-client": "^4.2.0",
+    "message-bus-client": "^4.3.0",
     "messageformat": "0.1.5",
     "pretender": "^3.4.7",
     "pretty-text": "1.0.0",
diff --git a/app/assets/javascripts/yarn.lock b/app/assets/javascripts/yarn.lock
index 1d0ee3de500..0fcf627a361 100644
--- a/app/assets/javascripts/yarn.lock
+++ b/app/assets/javascripts/yarn.lock
@@ -6868,10 +6868,10 @@ merge2@^1.2.3, merge2@^1.3.0:
   resolved "https://registry.yarnpkg.com/merge2/-/merge2-1.4.1.tgz#4368892f885e907455a6fd7dc55c0c9d404990ae"
   integrity sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==
 
-message-bus-client@^4.2.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/message-bus-client/-/message-bus-client-4.2.0.tgz#1b994a1309eaa3d5b1ebe6d0b2f911e3355c2314"
-  integrity sha512-m0aOFoZybxNjrILZdG6tkawMHdwxi5AysUusZSkl5AYbcFwxHhHVlmyBILzuMKNcR1oET3d5eKpFlgPAc9IjOQ==
+message-bus-client@^4.3.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/message-bus-client/-/message-bus-client-4.3.0.tgz#03710b9acdbaa4c9117b2215b2dd8038a360c168"
+  integrity sha512-tJbSFz+NB8fBXn5OqGqisi881SUv1ypIoETHgyQHfg5NHFr15Y+BIx4gPqXhy5iG0EJlayZfcNyFxYfFfhyv+w==
 
 messageformat@0.1.5:
   version "0.1.5"