diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f53840..31b39e4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.3.3
+
+- Default TTL for keys to allow for short-lived locking keys (thanks to Ian Remillard) without leaking memory.
+
 ## 0.3.2
 
 - Custom lock tokens (thanks to avokhmin).
diff --git a/lib/suo/version.rb b/lib/suo/version.rb
index 8f28d89..c686523 100644
--- a/lib/suo/version.rb
+++ b/lib/suo/version.rb
@@ -1,3 +1,3 @@
 module Suo
-  VERSION = "0.3.2".freeze
+  VERSION = "0.3.3".freeze
 end
diff --git a/suo.gemspec b/suo.gemspec
index 149f28e..8be49a1 100644
--- a/suo.gemspec
+++ b/suo.gemspec
@@ -28,7 +28,7 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "bundler", "~> 1.5"
   spec.add_development_dependency "rake", "~> 10.0"
-  spec.add_development_dependency "rubocop", "~> 0.30.0"
+  spec.add_development_dependency "rubocop", "~> 0.49.0"
   spec.add_development_dependency "minitest", "~> 5.5.0"
   spec.add_development_dependency "codeclimate-test-reporter", "~> 0.4.7"
 end