diff --git a/lib/pry/rubygem.rb b/lib/pry/rubygem.rb
index f9efb97c..36f788da 100644
--- a/lib/pry/rubygem.rb
+++ b/lib/pry/rubygem.rb
@@ -23,7 +23,7 @@ class Pry
                   Gem.source_index.find_name(name)
                 end
 
-        first_spec = specs.sort_by{ |spec| Gem::Version.new(spec.version) }.first
+        first_spec = specs.sort_by{ |spec| Gem::Version.new(spec.version) }.last
 
         first_spec or raise CommandError, "Gem `#{name}` not found"
       end