diff --git a/Gemfile.lock b/Gemfile.lock
index 9f155d8..b6acddb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,8 +7,8 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     akami (1.3.1)
       gyoku (>= 0.4.0)
       nokogiri
@@ -23,7 +23,7 @@ GEM
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     nori (2.6.0)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     rack (2.2.3)
     rake (13.0.1)
     rspec (3.10.0)