Gemfile.lock in statsmix-0.1.6 vs Gemfile.lock in statsmix-0.1.7

@@ -4,17 +4,19 @@
     git (1.2.5)
     jeweler (1.5.1)
       bundler (~> 1.0.0)
       git (>= 1.2.5)
       rake
+    json (1.5.1)
     rake (0.9.2)
     rcov (0.9.9)
     shoulda (2.11.3)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   bundler (~> 1.0.0)
   jeweler (~> 1.5.1)
+  json (~> 1.5.1)
   rcov
   shoulda