diff --git a/Gemfile.lock b/Gemfile.lock
index 7b934357b..0e7572dba 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -79,7 +79,8 @@ GEM
       activerecord (>= 4.0)
     acts_as_tree (2.0.0)
       activerecord (>= 3.0.0)
-    addressable (2.3.6)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     akami (1.3.1)
       gyoku (>= 0.4.0)
       nokogiri
@@ -346,6 +347,7 @@ GEM
       activerecord (>= 3.0)
       i18n (>= 0.5.0)
       railties (>= 3.0.0)
+    public_suffix (5.0.0)
     quiet_assets (1.0.3)
       railties (>= 3.1, < 5.0)
     rabl (0.10.1)