Gemfile in redis_lock-0.1.0 vs Gemfile in redis_lock-0.2.0

@@ -3,6 +3,6 @@
 git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
 
 # Specify your gem's dependencies in redis_lock.gemspec
 gemspec
 
-gem 'contextuable'
+gem 'dystruct'