diff --git a/activerecord/activerecord.gemspec b/activerecord/activerecord.gemspec
index a86c512863d700555fd22c47ad5145578ad2d576..ce403d7a369273475ff0fffa1eba7e1062bd48d9 100644
--- a/activerecord/activerecord.gemspec
+++ b/activerecord/activerecord.gemspec
@@ -24,6 +24,6 @@
   s.add_dependency 'activesupport', version
   s.add_dependency 'activemodel',   version
 
-  s.add_dependency 'arel',                            '~> 4.0.0.beta2'
+  s.add_dependency 'arel',                            '~> 4.0.0'
   s.add_dependency 'activerecord-deprecated_finders', '~> 1.0.1'
 end