diff --git a/Gemfile.lock b/Gemfile.lock
index 61932b6..678cb2c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,8 +19,8 @@ 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)
     amq-protocol (2.3.2)
     amqp (1.8.0)
       amq-protocol (>= 2.2.0)
@@ -112,7 +112,7 @@ GEM
     pry-byebug (3.9.0)
       byebug (~> 11.0)
       pry (~> 0.13.0)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     rack (2.2.3)
     rainbow (3.0.0)
     rake (13.0.1)