diff --git a/Gemfile.lock b/Gemfile.lock
index 0255a2c..120ed38 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,8 +9,8 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     byebug (10.0.2)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
@@ -19,7 +19,7 @@ GEM
     mini_portile2 (2.4.0)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
-    public_suffix (3.0.3)
+    public_suffix (5.0.0)
     rake (13.0.1)
     rspec (3.8.0)
       rspec-core (~> 3.8.0)