Rakefile in nudge-0.0.1 vs Rakefile in nudge-0.0.2

@@ -3,19 +3,21 @@
 begin
   require 'jeweler'
   Jeweler::Tasks.new do |gemspec|
     gemspec.name = "nudge"
     gemspec.summary = "Genetic Programming in the Nudge language"
-    gemspec.description = "It's way complicated"
+    gemspec.description = "DOES NOT WORK YET. The nudge gem will provide a simple framework for building, running and managing genetic programming experiments which automatically discover algorithms and equations to solve well-defined target problems. It depends on CouchDB and Ruby 1.9+"
     gemspec.email = "[e-mail]"
     gemspec.homepage = "http://github.com/Vaguery/PragGP"
     gemspec.authors = ["Bill Tozier", "Trek Glowacki"]
     
-    gemspec.add_dependency('couchrest')
-    gemspec.add_dependency('sinatra')
-    gemspec.add_dependency('treetop')
-    gemspec.add_dependency('polyglot')
-    gemspec.add_dependency('active_support')
+    gemspec.required_ruby_version = '>= 1.9.1'
+    
+    gemspec.add_dependency('couchrest', '>= 0.33')
+    gemspec.add_dependency('sinatra', '>= 0.9.4')
+    gemspec.add_dependency('treetop', '>= 1.4.3')
+    gemspec.add_dependency('polyglot', '>= 0.2.9')
+    gemspec.add_dependency('activesupport', '>= 2.3.5')
   end
   
   Jeweler::GemcutterTasks.new
 rescue LoadError
   puts "Jeweler not available. Install it with: gem install jeweler"
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