Gemfile.lock in piggybak-0.5.3 vs Gemfile.lock in piggybak-0.5.4

@@ -86,11 +86,10 @@
     thor (0.14.6)
     tilt (1.3.3)
     tzinfo (0.3.31)
     warden (1.1.0)
       rack (>= 1.0)
-    whois (2.6.4)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
@@ -103,6 +102,5 @@
   rspec
   rspec-rails (~> 2.7.0)
   shoulda
   simplecov
   tzinfo
-  whois