diff --git a/Gemfile.lock b/Gemfile.lock
index ac8757f..b4ff0a7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,8 +38,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     arel (8.0.0)
     autoprefixer-rails (9.2.0)
       execjs
@@ -105,7 +105,7 @@ GEM
       mini_portile2 (~> 2.3.0)
     pg (0.21.0)
     popper_js (1.14.3)
-    public_suffix (3.0.3)
+    public_suffix (4.0.7)
     puma (3.12.0)
     rack (2.0.5)
     rack-test (1.1.0)