diff --git a/Gemfile.lock b/Gemfile.lock
index b72b270..4a2e526 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,15 +7,15 @@ 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)
     builder (3.2.3)
     byebug (10.0.2)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     diff-lcs (1.3)
     hashdiff (0.3.7)
-    public_suffix (3.0.2)
+    public_suffix (5.0.0)
     rake (13.0.1)
     rspec (3.7.0)
       rspec-core (~> 3.7.0)