CHANGELOG.markdown in image_optim_rails-0.4.2 vs CHANGELOG.markdown in image_optim_rails-0.4.3

@@ -1,8 +1,12 @@
 # ChangeLog
 
 ## unreleased
 
+## v0.4.3 (2019-07-14)
+
+* Remove deprecated `rubyforge_project` attribute from gemspec [rubygems/rubygems#2436](https://github.com/rubygems/rubygems/pull/2436) [@toy](https://github.com/toy)
+
 ## v0.4.2 (2019-05-25)
 
 * Enable frozen string literals [@toy](https://github.com/toy)
 
 ## v0.4.1 (2017-07-09)