diff --git a/Gemfile.lock b/Gemfile.lock
index 859b51a..fd1558c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 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)
     ast (2.4.0)
     builder (3.2.3)
     capybara (3.16.1)
@@ -91,7 +91,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     psych (3.1.0)
-    public_suffix (3.0.3)
+    public_suffix (5.0.0)
     puma (4.3.5)
       nio4r (~> 2.0)
     r18n-core (3.2.0)