Gemfile.lock in spf-0.0.50 vs Gemfile.lock in spf-0.0.51

@@ -36,10 +36,10 @@
       faraday (>= 0.8, < 0.10)
       jwt (~> 1.0)
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (~> 1.2)
-    rack (1.6.0)
+    rack (1.6.2)
     rake (10.4.2)
     rdoc (3.12.2)
       json (~> 1.4)
     rspec (2.99.0)
       rspec-core (~> 2.99.0)