Appraisals in protector-0.6.4 vs Appraisals in protector-0.7.0

@@ -7,17 +7,17 @@
   gem "activerecord", "4.0.0", require: "active_record"
   gem "activerecord-jdbcsqlite3-adapter", platform: :jruby, github: "jruby/activerecord-jdbc-adapter"
 end
 
 appraise "Rails_3.2" do
-  gem "combustion", github: 'pat/combustion'
+  gem "combustion", github: "pat/combustion", ref: "50a946b5a7ab3d9249f0e5fcebbb73488a91b1e5"
   gem "rails", "3.2.13"
   gem "strong_parameters"
   gem "activerecord-jdbcsqlite3-adapter", platform: :jruby, github: "jruby/activerecord-jdbc-adapter"
 end
 
 appraise "Rails_4" do
-  gem "combustion", github: 'pat/combustion'
+  gem "combustion", github: "pat/combustion", ref: "50a946b5a7ab3d9249f0e5fcebbb73488a91b1e5"
   gem "rails", "4.0.0"
   gem "activerecord-jdbcsqlite3-adapter", platform: :jruby, github: "jruby/activerecord-jdbc-adapter"
 end
 
 appraise "Sequel" do