Gemfile.lock in piet-0.1.2 vs Gemfile.lock in piet-0.1.3

@@ -1,14 +1,16 @@
 PATH
   remote: .
   specs:
-    piet (0.1.2)
+    piet (0.1.3)
+      png_quantizator
 
 GEM
   remote: http://rubygems.org/
   specs:
     ZenTest (4.5.0)
     diff-lcs (1.1.3)
+    png_quantizator (0.1.0)
     rspec (2.7.0)
       rspec-core (~> 2.7.0)
       rspec-expectations (~> 2.7.0)
       rspec-mocks (~> 2.7.0)
     rspec-core (2.7.1)