diff --git a/Gemfile.lock b/Gemfile.lock
index beefc3c..755f948 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,7 +60,8 @@ GEM
       tzinfo (~> 1.1)
     acts_as_list (0.6.0)
       activerecord (>= 3.0)
-    addressable (2.3.5)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (5.0.1.20140414130214)
     awesome_nested_set (3.0.2)
       activerecord (>= 4.0.0, < 5)
@@ -196,6 +197,7 @@ GEM
       coderay (~> 1.0)
       method_source (~> 0.8)
       slop (~> 3.4)
+    public_suffix (2.0.5)
     rabl (0.9.4.pre1)
       activesupport (>= 2.3.14)
     rack (1.5.2)