diff --git a/Gemfile.lock b/Gemfile.lock
index 1f51dad..2214322 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,8 +19,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     autoprefixer-rails (9.6.1)
       execjs
     backports (3.15.0)
@@ -122,7 +122,7 @@ GEM
       activesupport (>= 3.1)
     parallel (1.17.0)
     popper_js (1.14.5)
-    public_suffix (3.1.1)
+    public_suffix (4.0.6)
     rack (2.0.7)
     rack-livereload (0.3.17)
       rack