diff --git a/activerecord/activerecord.gemspec b/activerecord/activerecord.gemspec
index 3a5035305b..335127f38e 100644
--- a/activerecord/activerecord.gemspec
+++ b/activerecord/activerecord.gemspec
@@ -22,6 +22,6 @@ Gem::Specification.new do |s|
 
   s.add_dependency('activesupport', version)
   s.add_dependency('activemodel',   version)
-  s.add_dependency('arel',          '~> 2.1.0')
+  s.add_dependency('arel',          '~> 2.1.1')
   s.add_dependency('tzinfo',        '~> 0.3.27')
 end