Gemfile in sidekiq-2.12.1 vs Gemfile in sidekiq-2.12.3

@@ -1,8 +1,9 @@
 source 'http://rubygems.org'
 gemspec
 
-gem 'slim'
+gem 'slim', '1.1.0' # earliest verson supported
+
 gem 'sqlite3', :platform => :mri
 
 group :test do
   gem 'simplecov', :require => false
   gem 'minitest-emoji', :require => false