diff --git a/Gemfile.lock b/Gemfile.lock
index a9da8b0..d96be79 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.1)
-      public_suffix (~> 2.0, >= 2.0.2)
+    addressable (2.6.0)
+      public_suffix (>= 2.0.2, < 4.0)
     autoprefixer-rails (7.1.1.2)
       execjs
     backports (3.11.4)
@@ -105,7 +105,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    public_suffix (2.0.5)
+    public_suffix (3.0.3)
     rack (2.0.6)
     rack-livereload (0.3.16)
       rack