diff --git a/globalize.gemspec b/globalize.gemspec
index 24056e1e..558e4e1f 100644
--- a/globalize.gemspec
+++ b/globalize.gemspec
@@ -22,8 +22,8 @@ Gem::Specification.new do |s|
     s.add_dependency 'activemodel', '~> 3.2.0'
   else
     # normal case
-    s.add_dependency 'activerecord', '>= 3.1.0', '< 4.0.0'
-    s.add_dependency 'activemodel', '>= 3.1.0', '< 4.0.0'
+    s.add_dependency 'activerecord', '>= 3.1.0', '< 4.1.0'
+    s.add_dependency 'activemodel', '>= 3.1.0', '< 4.1.0'
   end
 
   s.add_development_dependency 'database_cleaner', '~> 0.6.0'