diff --git a/Gemfile b/Gemfile
index dee7341..d549ce2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 ruby '1.9.3'
 #ruby-gemset=railstutorial_rails_4_0
 
-gem 'rails', '6.0.3.5'
+gem 'rails', '4.0.3'
 
 group :development do
   gem 'sqlite3', '1.3.8'
diff --git a/Gemfile.lock b/Gemfile.lock
index 89568fa..dbbaa5b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,32 +1,31 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.0.2)
-      actionpack (= 4.0.2)
+    actionmailer (4.0.3)
+      actionpack (= 4.0.3)
       mail (~> 2.5.4)
-    actionpack (4.0.2)
-      activesupport (= 4.0.2)
+    actionpack (4.0.3)
+      activesupport (= 4.0.3)
       builder (~> 3.1.0)
       erubis (~> 2.7.0)
       rack (~> 1.5.2)
       rack-test (~> 0.6.2)
-    activemodel (4.0.2)
-      activesupport (= 4.0.2)
+    activemodel (4.0.3)
+      activesupport (= 4.0.3)
       builder (~> 3.1.0)
-    activerecord (4.0.2)
-      activemodel (= 4.0.2)
+    activerecord (4.0.3)
+      activemodel (= 4.0.3)
       activerecord-deprecated_finders (~> 1.0.2)
-      activesupport (= 4.0.2)
+      activesupport (= 4.0.3)
       arel (~> 4.0.0)
-    activerecord-deprecated_finders (1.0.3)
-    activesupport (4.0.2)
+    activerecord-deprecated_finders (1.0.4)
+    activesupport (4.0.3)
       i18n (~> 0.6, >= 0.6.4)
       minitest (~> 4.2)
       multi_json (~> 1.3)
       thread_safe (~> 0.1)
       tzinfo (~> 0.3.37)
-    arel (4.0.1)
-    atomic (1.1.14)
+    arel (4.0.2)
     builder (3.1.4)
     coffee-rails (4.0.1)
       coffee-script (>= 2.2.0)
@@ -35,40 +34,42 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.6.3)
+    concurrent-ruby (1.1.8)
     erubis (2.7.0)
     execjs (2.0.2)
     hike (1.2.3)
-    i18n (0.6.9)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (1.0.2)
       activesupport (>= 3.0.0)
     jquery-rails (3.0.4)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
     json (1.8.1)
-    mail (2.5.4)
+    mail (2.5.5)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.25.1)
     minitest (4.7.5)
-    multi_json (1.8.2)
-    polyglot (0.3.3)
-    rack (1.5.2)
-    rack-test (0.6.2)
+    multi_json (1.15.0)
+    polyglot (0.3.5)
+    rack (1.5.5)
+    rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.0.2)
-      actionmailer (= 4.0.2)
-      actionpack (= 4.0.2)
-      activerecord (= 4.0.2)
-      activesupport (= 4.0.2)
+    rails (4.0.3)
+      actionmailer (= 4.0.3)
+      actionpack (= 4.0.3)
+      activerecord (= 4.0.3)
+      activesupport (= 4.0.3)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.0.2)
+      railties (= 4.0.3)
       sprockets-rails (~> 2.0.0)
-    railties (4.0.2)
-      actionpack (= 4.0.2)
-      activesupport (= 4.0.2)
+    railties (4.0.3)
+      actionpack (= 4.0.3)
+      activesupport (= 4.0.3)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.1.0)
+    rake (12.2.1)
     rdoc (3.12.2)
       json (~> 1.4)
     sass (3.2.12)
@@ -79,7 +80,7 @@ GEM
     sdoc (0.3.20)
       json (>= 1.1.3)
       rdoc (~> 3.10)
-    sprockets (2.10.1)
+    sprockets (2.12.5)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
@@ -88,29 +89,30 @@ GEM
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (~> 2.8)
+    sqlite3 (1.3.8)
     sqlite3 (1.3.8-x86-mingw32)
-    thor (0.18.1)
-    thread_safe (0.1.3)
-      atomic
+    thor (0.20.3)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
     turbolinks (1.1.1)
       coffee-rails
-    tzinfo (0.3.38)
+    tzinfo (0.3.60)
     uglifier (2.1.1)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
 
 PLATFORMS
+  ruby
   x86-mingw32
 
 DEPENDENCIES
   coffee-rails (= 4.0.1)
   jbuilder (= 1.0.2)
   jquery-rails (= 3.0.4)
-  rails (= 4.0.2)
+  rails (= 4.0.3)
   sass-rails (= 4.0.1)
   sdoc (= 0.3.20)
   sqlite3 (= 1.3.8)