diff --git a/Gemfile.lock b/Gemfile.lock
index 751b7aa..47cc6c7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,8 +12,8 @@ GEM
       minitest (>= 5.1)
       tzinfo (~> 2.0)
       zeitwerk (~> 2.3)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     backports (3.15.0)
     concurrent-ruby (1.1.10)
     crack (0.4.3)
@@ -32,7 +32,7 @@ GEM
     multi_json (1.13.1)
     mustermann (1.0.3)
     pg (1.1.4)
-    public_suffix (4.0.1)
+    public_suffix (5.0.0)
     rack (2.1.4)
     rack-contrib (2.1.0)
       rack (~> 2.0)