diff --git a/Gemfile.lock b/Gemfile.lock
index bf8ef73..f0d7ef4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,8 +7,8 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     appraisal (2.2.0)
       bundler
       rake
@@ -46,7 +46,7 @@ GEM
     pry-byebug (3.6.0)
       byebug (~> 10.0)
       pry (~> 0.10)
-    public_suffix (3.0.2)
+    public_suffix (5.0.0)
     rake (12.3.1)
     safe_yaml (1.0.4)
     serverengine (2.2.1)