diff --git a/Gemfile.lock b/Gemfile.lock
index 112bb89..eb7887a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,8 +42,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     arel (9.0.0)
     bcrypt (3.1.12)
     bindex (0.5.0)
@@ -159,7 +159,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     os (1.0.0)
     pg (1.1.4)
-    public_suffix (3.0.3)
+    public_suffix (4.0.7)
     puma (3.12.2)
     rack (2.0.6)
     rack-cors (1.0.5)