diff --git a/Gemfile b/Gemfile
index 81aaa5a425a..aa475b55541 100644
--- a/Gemfile
+++ b/Gemfile
@@ -65,7 +65,7 @@ gem "http_accept_language", require: false
 
 gem "discourse-fonts", require: "discourse_fonts"
 
-gem "message_bus", "4.3.2"
+gem "message_bus"
 
 gem "rails_multisite"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index cb2c27676c9..e53b8d78300 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -596,7 +596,7 @@ DEPENDENCIES
   mail
   maxminddb
   memory_profiler
-  message_bus (= 4.3.2)
+  message_bus
   mini_mime
   mini_racer
   mini_scheduler