diff --git a/Gemfile.lock b/Gemfile.lock
index a56c2d4..908ce7d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -40,8 +40,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     administrate-field-image (1.1.0)
       administrate (>= 0.2.0.rc1)
     ammeter (1.1.4)
@@ -158,7 +158,7 @@ GEM
       method_source (~> 0.9.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    public_suffix (4.0.3)
+    public_suffix (5.0.0)
     pundit (2.1.0)
       activesupport (>= 3.0.0)
     rack (2.1.1)