Gemfile.rails-4.1 in bullet-5.9.0 vs Gemfile.rails-4.1 in bullet-6.0.0

@@ -1,10 +1,10 @@
 source "https://rubygems.org"
 
 gemspec
 
 gem 'rails', '~> 4.1.0'
-gem 'sqlite3'
+gem 'sqlite3', '~> 1.3.6'
 gem 'activerecord-jdbcsqlite3-adapter', platforms: [:jruby]
 gem 'activerecord-import'
 gem 'tins', '~> 1.6.0', platforms: [:ruby_19]
 
 gem "rspec"