diff --git a/CHANGELOG.md b/CHANGELOG.md
index 765aee63..5beda080 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v4.1.0 - 2023-11-12
+
+- [Fix #add_attachment multipart upload with Faraday](https://github.com/jeremytregunna/ruby-trello/pull/312)
+
 ## v4.0.0 - 2022-09-24
 
 - [Remove rest-client dependency in the gemspec and default to faraday](https://github.com/jeremytregunna/ruby-trello/pull/308)
diff --git a/ruby-trello.gemspec b/ruby-trello.gemspec
index 65784fdf..a461ff15 100644
--- a/ruby-trello.gemspec
+++ b/ruby-trello.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name              = %q{ruby-trello}
-  s.version           = "4.0.0"
+  s.version           = "4.1.0"
   s.platform          = Gem::Platform::RUBY
   s.license           = 'MIT'