diff --git a/Gemfile.lock b/Gemfile.lock
index 9cbd727..23d0912 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,8 @@ GEM
     activesupport (3.2.7)
       i18n (~> 0.6)
       multi_json (~> 1.0)
-    addressable (2.3.2)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     annotate (2.5.0)
       rake
     arel (3.0.2)
@@ -109,6 +110,7 @@ GEM
       omniauth-oauth (~> 1.0)
     pg (0.14.0)
     polyglot (0.3.3)
+    public_suffix (5.0.0)
     quiet_assets (1.0.1)
       railties (~> 3.1)
     rack (1.4.1)