diff --git a/Gemfile.lock b/Gemfile.lock
index 50a6b28..ff13921 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,8 +19,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     autoprefixer-rails (9.3.1)
       execjs
     bootstrap (4.3.1)
@@ -109,7 +109,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     popper_js (1.14.5)
-    public_suffix (3.0.3)
+    public_suffix (4.0.6)
     rack (2.0.8)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)