diff --git a/Gemfile.lock b/Gemfile.lock
index 2a12423..a2d99a7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 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)
     archive-zip (0.11.0)
       io-like (~> 0.3.0)
     capybara (3.1.0)
@@ -25,7 +25,7 @@ GEM
     nokogiri (1.11.1)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
-    public_suffix (3.0.2)
+    public_suffix (5.0.0)
     racc (1.5.2)
     rack (2.2.3)
     rack-test (1.0.0)