Gemfile in mongoid_tree-0.3.2 vs Gemfile in mongoid_tree-0.3.3

@@ -1,5 +1,10 @@
 source :rubygems
+
+if File.exist?(file = File.expand_path('../../Gemfile',__FILE__))
+  instance_eval(File.read(file))
+end
+
 gem "jeweler"
 gem "mongoid", "= 2.0.0.beta.16"
 # Currently used MongoDB version : 1.4.3
 
 gem "rspec", ">= 2.0.0.beta.19"
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