diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0b362dc4..1f892391 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Draper Changelog
 
+## 4.0.5 - 2025-11-12
+
+### Fixes
+* Remove unused files from package [#945](https://github.com/drapergem/draper/pull/945)
+* Support Rails 8.1 [#949](https://github.com/drapergem/draper/pull/949)
+
 ## 4.0.4 - 2025-01-28
 
 ### Fixes
diff --git a/Gemfile b/Gemfile
index 521884d0..4ad94689 100644
--- a/Gemfile
+++ b/Gemfile
@@ -54,6 +54,5 @@ end
 
 # FIXME: Use releases gems after they support Rails 8.1
 if rails_version.to_s >= '8.1'
-  gem 'rspec-activerecord-expectations', github: 'y-yagi/rspec-activerecord-expectations', branch: 'support_rails81'
   gem 'mongoid', github: 'mongodb/mongoid', ref: 'eac49f0'
 end
diff --git a/lib/draper/version.rb b/lib/draper/version.rb
index 8acc5755..eba6bb27 100644
--- a/lib/draper/version.rb
+++ b/lib/draper/version.rb
@@ -1,3 +1,3 @@
 module Draper
-  VERSION = '4.1.0-pre'
+  VERSION = '4.0.5'
 end