diff --git a/Gemfile.lock b/Gemfile.lock
index 7a750c0..522c683 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,8 @@ GEM
     activesupport (3.2.13)
       i18n (= 0.6.1)
       multi_json (~> 1.0)
-    addressable (2.3.4)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     annotate (2.5.0)
       rake
     arel (3.0.2)
@@ -194,6 +195,7 @@ GEM
       slop (~> 3.4)
     pry-rails (0.3.1)
       pry (>= 0.9.10)
+    public_suffix (5.0.0)
     quiet_assets (1.0.2)
       railties (>= 3.1, < 5.0)
     rack (1.4.5)