diff --git a/Gemfile.lock b/Gemfile.lock
index e4ee20b..1b4e40c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,8 @@ GEM
     activesupport (3.2.21)
       i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
-    addressable (2.3.6)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     annotate (2.6.0)
       activerecord (>= 2.3.0)
       rake (>= 0.8.7)
@@ -183,6 +184,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
+    public_suffix (3.1.1)
     rack (1.4.5)
     rack-cache (1.2)
       rack (>= 0.4)