diff --git a/actionview/actionview.gemspec b/actionview/actionview.gemspec
index 567e45e14f..e45dd04225 100644
--- a/actionview/actionview.gemspec
+++ b/actionview/actionview.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |s|
 
   s.add_dependency 'activesupport', version
 
-  s.add_dependency 'builder',       '~> 3.1.0'
+  s.add_dependency 'builder',       '~> 3.1'
   s.add_dependency 'erubis',        '~> 2.7.0'
 
   s.add_development_dependency 'actionpack',  version
diff --git a/activemodel/activemodel.gemspec b/activemodel/activemodel.gemspec
index 11e755649c..36e565f692 100644
--- a/activemodel/activemodel.gemspec
+++ b/activemodel/activemodel.gemspec
@@ -20,5 +20,5 @@ Gem::Specification.new do |s|
 
   s.add_dependency 'activesupport', version
 
-  s.add_dependency 'builder', '~> 3.1.0'
+  s.add_dependency 'builder', '~> 3.1'
 end