diff --git a/Gemfile.lock b/Gemfile.lock
index 0cb6c9a..ebf3310 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,8 +57,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (9.0.0)
     ast (2.4.0)
     better_errors (2.5.0)
@@ -152,7 +152,7 @@ GEM
     pry-byebug (3.6.0)
       byebug (~> 10.0)
       pry (~> 0.10)
-    public_suffix (3.0.3)
+    public_suffix (4.0.6)
     rack (2.2.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)