diff --git a/Gemfile.lock b/Gemfile.lock
index c342761..3134a05 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,7 +4,8 @@ GEM
     activesupport (3.2.12)
       i18n (~> 0.6)
       multi_json (~> 1.0)
-    addressable (2.3.4)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     bourne (1.1.2)
       mocha (= 0.10.5)
     colorize (0.5.8)
@@ -33,6 +34,7 @@ GEM
       metaclass (~> 0.0.1)
     multi_json (1.6.1)
     multi_xml (0.5.3)
+    public_suffix (5.0.0)
     rake (10.0.3)
     rdoc (3.12.2)
       json (~> 1.4)