diff --git a/Gemfile.lock b/Gemfile.lock
index 5f1785f..d940575 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,8 +9,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     autoprefixer-rails (9.4.7)
       execjs
     backports (3.11.4)
@@ -109,7 +109,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     ptools (1.3.5)
-    public_suffix (3.0.3)
+    public_suffix (5.0.0)
     rack (2.0.6)
     rack-livereload (0.3.17)
       rack