diff --git a/Gemfile.lock b/Gemfile.lock
index a2e7939..d9bc6e1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,7 +25,8 @@ GEM
       multi_json (~> 1.3)
       thread_safe (~> 0.1)
       tzinfo (~> 0.3.37)
-    addressable (2.3.6)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (4.0.2)
     builder (3.1.4)
     bullet (4.11.3)
@@ -134,6 +135,7 @@ GEM
       omniauth-oauth (~> 1.0)
     pg (0.17.1)
     polyglot (0.3.5)
+    public_suffix (3.1.1)
     quiet_assets (1.0.3)
       railties (>= 3.1, < 5.0)
     rack (1.5.2)