diff --git a/Gemfile b/Gemfile
index d33703d..1742771 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source "http://rubygems.org"
 case ENV["MODEL_ADAPTER"]
 when nil, "active_record"
   gem "sqlite3"
-  gem "activerecord", '~> 3.0.9', :require => "active_record"
+  gem "activerecord", '~> 3.2.3', :require => "active_record"
 when "data_mapper"
   gem "dm-core", "~> 1.0.2"
   gem "dm-sqlite-adapter", "~> 1.0.2"
diff --git a/cancan.gemspec b/cancan.gemspec
index 4fc7631..533b23c 100644
--- a/cancan.gemspec
+++ b/cancan.gemspec
@@ -11,8 +11,7 @@ Gem::Specification.new do |s|
   s.require_path = "lib"
 
   s.add_development_dependency 'rspec', '~> 2.9.0'
-  s.add_development_dependency 'rails', '~> 3.0.9'
-  s.add_development_dependency 'supermodel', '~> 0.1.6'
+  s.add_development_dependency 'rails', '~> 3.2.3'
 
   s.rubyforge_project = s.name
   s.required_rubygems_version = ">= 1.3.4"