diff --git a/Gemfile b/Gemfile
index 2dcc18a0..a83be8ad 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source "http://rubygems.org"
 
-gem "rails", "~> 3.0.7"
+gemspec
 
 group :test do
   gem "mocha",      :require => false
diff --git a/Gemfile.lock b/Gemfile.lock
index d973be12..ff2c9525 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,13 +1,17 @@
+PATH
+  remote: .
+  specs:
+    simple_form (1.4.1)
+      actionpack (~> 3.0)
+      activemodel (~> 3.0)
+
 GEM
   remote: http://rubygems.org/
   specs:
     abstract (1.0.0)
-    actionmailer (3.0.7)
-      actionpack (= 3.0.7)
-      mail (~> 2.2.15)
-    actionpack (3.0.7)
-      activemodel (= 3.0.7)
-      activesupport (= 3.0.7)
+    actionpack (3.0.9)
+      activemodel (= 3.0.9)
+      activesupport (= 3.0.9)
       builder (~> 2.1.2)
       erubis (~> 2.6.6)
       i18n (~> 0.5.0)
@@ -15,68 +19,36 @@ GEM
       rack-mount (~> 0.6.14)
       rack-test (~> 0.5.7)
       tzinfo (~> 0.3.23)
-    activemodel (3.0.7)
-      activesupport (= 3.0.7)
+    activemodel (3.0.9)
+      activesupport (= 3.0.9)
       builder (~> 2.1.2)
       i18n (~> 0.5.0)
-    activerecord (3.0.7)
-      activemodel (= 3.0.7)
-      activesupport (= 3.0.7)
-      arel (~> 2.0.2)
-      tzinfo (~> 0.3.23)
-    activeresource (3.0.7)
-      activemodel (= 3.0.7)
-      activesupport (= 3.0.7)
-    activesupport (3.0.7)
-    arel (2.0.9)
+    activesupport (3.0.9)
     builder (2.1.2)
     columnize (0.3.2)
     erubis (2.6.6)
       abstract (>= 1.0.0)
     i18n (0.5.0)
     linecache (0.43)
-    mail (2.2.18)
-      activesupport (>= 2.3.6)
-      i18n (>= 0.4.0)
-      mime-types (~> 1.16)
-      treetop (~> 1.4.8)
-    mime-types (1.16)
     mocha (0.9.10)
       rake
-    polyglot (0.3.1)
-    rack (1.2.2)
+    rack (1.2.3)
     rack-mount (0.6.14)
       rack (>= 1.0.0)
     rack-test (0.5.7)
       rack (>= 1.0)
-    rails (3.0.7)
-      actionmailer (= 3.0.7)
-      actionpack (= 3.0.7)
-      activerecord (= 3.0.7)
-      activeresource (= 3.0.7)
-      activesupport (= 3.0.7)
-      bundler (~> 1.0)
-      railties (= 3.0.7)
-    railties (3.0.7)
-      actionpack (= 3.0.7)
-      activesupport (= 3.0.7)
-      rake (>= 0.8.7)
-      thor (~> 0.14.4)
     rake (0.8.7)
     ruby-debug (0.10.4)
       columnize (>= 0.1)
       ruby-debug-base (~> 0.10.4.0)
     ruby-debug-base (0.10.4)
       linecache (>= 0.3)
-    thor (0.14.6)
-    treetop (1.4.9)
-      polyglot (>= 0.3.1)
-    tzinfo (0.3.27)
+    tzinfo (0.3.28)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   mocha
-  rails (~> 3.0.7)
   ruby-debug
+  simple_form!
diff --git a/simple_form.gemspec b/simple_form.gemspec
index 3de26915..a80249fd 100644
--- a/simple_form.gemspec
+++ b/simple_form.gemspec
@@ -19,4 +19,7 @@ Gem::Specification.new do |s|
   s.require_paths = ["lib"]
 
   s.rubyforge_project = "simple_form"
+
+  s.add_dependency('activemodel', '~> 3.0')
+  s.add_dependency('actionpack', '~> 3.0')
 end