diff --git a/Gemfile.lock b/Gemfile.lock
index 338ee071df..e8d661b4da 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,8 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    addressable (2.3.2)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     coderay (1.0.8)
     colorize (0.5.8)
     coveralls (0.6.2)
@@ -29,6 +30,7 @@ GEM
       coderay (~> 1.0.5)
       method_source (~> 0.8)
       slop (~> 3.3.1)
+    public_suffix (5.0.1)
     rest-client (1.6.7)
       mime-types (>= 1.16)
     rspec (2.12.0)