diff --git a/CHANGELOG.md b/CHANGELOG.md
index b81b0fe..c1f51ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 ### Unreleased
 
+### 2.4.0 - 2019-07-31
+- Use aws-sdk v3. (Thanks [@genehand](https://github.com/genehand))
+- Replace trollop with optimist
+- Test on latest ruby versions, drop 2.3
+- Update to Rubocop 0.73
+
 ### 2.3.0 - 2018-03-28
 - Make sensu removal optional. Defaults to enabled but can be disabled by setting `:enable: false` in the config. (Thanks [@majormoses](https://github.com/majormoses))
 
diff --git a/aws-cleaner.gemspec b/aws-cleaner.gemspec
index f77d528..c0bbb59 100644
--- a/aws-cleaner.gemspec
+++ b/aws-cleaner.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name        = 'aws-cleaner'
-  s.version     = '2.3.0'
+  s.version     = '2.4.0'
   s.summary     = 'AWS Cleaner cleans up after EC2 instances are terminated'
   s.description = s.summary
   s.authors     = ['Eric Heydrick']