diff --git a/Gemfile b/Gemfile
index acf60a8b..319a3a0f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -20,7 +20,7 @@ gem 'improvmx', '~> 0.2.1'
 gem 'isbn_validation', '~> 1.2', '>= 1.2.2'
 gem 'jsonapi-authorization', '~> 3.0', '>= 3.0.2'
 gem 'jsonapi-resources', '~> 0.9.1'
-gem 'message_bus', '~> 4.4', '>= 4.4.1'
+gem 'message_bus', '~> 5.0'
 gem 'mini_magick', '~> 5.3'
 gem 'paper_trail', '~> 16.0'
 gem 'paranoia', '~> 3.0', '>= 3.0.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index 5689ff3e..7ad6c89b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -254,8 +254,9 @@ GEM
       net-pop
       net-smtp
     marcel (1.0.4)
-    message_bus (4.4.1)
-      rack (>= 1.1.3)
+    message_bus (5.0.0)
+      logger
+      rack (> 2, < 4)
     method_source (1.1.0)
     mime-types (3.6.2)
       logger
@@ -337,7 +338,7 @@ GEM
     raabro (1.4.0)
     racc (1.8.1)
     racc (1.8.1-java)
-    rack (3.0.14)
+    rack (3.2.7)
     rack-attack (6.7.0)
       rack (>= 1.0, < 4)
     rack-cors (3.0.0)
@@ -611,7 +612,7 @@ DEPENDENCIES
   jsonapi-authorization (~> 3.0, >= 3.0.2)
   jsonapi-resources (~> 0.9.1)
   listen (~> 3.9)
-  message_bus (~> 4.4, >= 4.4.1)
+  message_bus (~> 5.0)
   mina (~> 1.2, >= 1.2.5)
   mini_magick (~> 5.3)
   paper_trail (~> 16.0)