diff --git a/Gemfile.lock b/Gemfile.lock
index ad416c5..527358d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,8 +12,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     arel (9.0.0)
     bond (0.5.1)
     concurrent-ruby (1.1.6)
@@ -43,7 +43,7 @@ GEM
       activerecord (>= 4.2)
       activesupport (>= 4.2)
       arel (>= 6)
-    public_suffix (4.0.3)
+    public_suffix (5.0.0)
     rack (2.2.2)
     rack-protection (2.0.8.1)
       rack