Gemfile in brick_layer-0.10.3 vs Gemfile in brick_layer-0.10.5

@@ -1,7 +1,7 @@
 source "http://rubygems.org"
 
-gem 'rails',    '>= 3.1.0'
+gem 'rails',    '~> 3.1.0'
 gem 'sqlite3'
 
 # Asset template engines
 gem 'sass-rails', "~> 3.1.0"
 gem 'coffee-script'
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