Gemfile in acts_as-0.4.0 vs Gemfile in acts_as-0.4.1

@@ -2,10 +2,10 @@
 ruby '2.0.0'
 
 # Specify your gem's dependencies in acts_as.gemspec
 gemspec
 
-gem 'activerecord'
+gem 'activerecord', '~> 3.2'
 
 group :test do
   gem 'pry'
   gem 'rspec'
   gem 'sqlite3'
\ No newline at end of file