Redmine

https://weblog.rubyonrails.org/2018/11/27/Rails-4-2-5-0-5-1-5-2-have-been-released/

diff --git a/Gemfile b/Gemfile
index 88fdc72d9..cb5646561 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ if Gem::Version.new(Bundler::VERSION) < Gem::Version.new('1.5.0')
   abort "Redmine requires Bundler 1.5.0 or higher (you're using #{Bundler::VERSION}).\nPlease update with 'gem update bundler'." 
 end

-gem "rails", "4.2.10" 
+gem "rails", "4.2.11" 
 gem "addressable", "2.4.0" if RUBY_VERSION < "2.0" 
 if RUBY_VERSION < "2.1" 
   gem "public_suffix", (RUBY_VERSION < "2.0" ? "~> 1.4" : "~> 2.0.5")