diff --git a/app/assets/javascripts/discourse/package.json b/app/assets/javascripts/discourse/package.json
index ced12165dac..a12aa4f148f 100644
--- a/app/assets/javascripts/discourse/package.json
+++ b/app/assets/javascripts/discourse/package.json
@@ -63,7 +63,7 @@
     "js-yaml": "^4.1.0",
     "jsdom": "^20.0.0",
     "loader.js": "^4.7.0",
-    "message-bus-client": "^3.3.0",
+    "message-bus-client": "^4.2.0",
     "messageformat": "0.1.5",
     "node-fetch": "^2.6.6",
     "pretender": "^3.4.7",
diff --git a/app/assets/javascripts/yarn.lock b/app/assets/javascripts/yarn.lock
index 1ad20d57215..c8d3b32dc74 100644
--- a/app/assets/javascripts/yarn.lock
+++ b/app/assets/javascripts/yarn.lock
@@ -7624,10 +7624,10 @@ 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@^3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/message-bus-client/-/message-bus-client-3.3.0.tgz#ee38ad26fa54f14dce17e65cc466be4e1aa7028b"
-  integrity sha512-dPfGLsxTkw1fNaQ+9nwbB1TXH5NnLXapjGkJtW9fZVsq7fNHaSomiTHZfXJHBibePZ10RH6AuHGemWKqgMtlIA==
+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==
 
 messageformat@0.1.5:
   version "0.1.5"