Gemfile.lock in imgkit-1.6.1 vs Gemfile.lock in imgkit-1.6.2

@@ -6,11 +6,11 @@
 GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.1.2)
     mocha (0.9.12)
-    rack (1.3.0)
+    rack (2.0.6)
     rake (0.9.2.2)
     rspec (2.6.0)
       rspec-core (~> 2.6.0)
       rspec-expectations (~> 2.6.0)
       rspec-mocks (~> 2.6.0)
@@ -24,10 +24,13 @@
   ruby
 
 DEPENDENCIES
   imgkit!
   mocha
-  rack
+  rack (>= 1.6.11)
   rake
   rspec (~> 2)
   rspec-core (~> 2)
   wkhtmltoimage-binary
+
+BUNDLED WITH
+   1.17.1