diff --git a/bin/dep b/bin/dep
index 192277f..6280451 100755
--- a/bin/dep
+++ b/bin/dep
@@ -36,7 +36,7 @@ module Dep
     end
   end
 
-  class Lib < Struct.new(:name, :version)
+  Lib = Struct.new(:name, :version) do
     def self.[](line)
       if line.strip =~ /^(\S+) -v (\S+)$/
         return new($1, $2)