diff --git a/Gemfile.lock b/Gemfile.lock
index 295b257..459fb7c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,8 +8,8 @@ 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)
     byebug (11.1.1)
     diff-lcs (1.3)
     httparty (0.18.0)
@@ -21,7 +21,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
     multi_xml (0.6.0)
-    public_suffix (4.0.3)
+    public_suffix (5.0.0)
     rake (13.0.1)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)