Gemfile in bio-ucsc-api-0.6.3 vs Gemfile in bio-ucsc-api-0.6.4

@@ -1,22 +1,19 @@
 source "http://rubygems.org"
 # Add dependencies required to use your gem here.
-
-gem "activerecord",                    "~> 4.0.2"
-gem "activesupport",                   "~> 4.0.2"
-gem "mysql",                           "~> 2.9.1"
+gem "activerecord",                    "~> 4.2.9"
+gem "activesupport",                   "~> 4.2.9"
+gem "mysql2",                          "~> 0.4.9"
 gem "safe_attributes",                 "~> 1.0.10"
-gem "activerecord-deprecated_finders", "~> 1.0.3"
+gem "activerecord-deprecated_finders", "~> 1.0.4"
 gem "bio-genomic-interval",            ">= 0.1.2"
 
-
 # Add dependencies to develop your gem here.
 # Include everything needed to run rake, tests, features, etc.
 group :development do
-  gem "rake",    ">= 10.1.0" 
+  gem "rake",    ">= 12.1.0" 
   gem "rspec",   ">= 2.14.1"
-  gem "bundler", ">= 1.3.5"
+  gem "bundler", ">= 1.15.4"
   gem "jeweler", ">= 2.3.7"
   gem "bio",     ">= 1.5.1"
   gem "rdoc",    ">= 4.0.1"
-  # gem "simplecov", :require => false, :group => :test
 end