diff --git a/Gemfile.lock b/Gemfile.lock
index 912d28f..071b42b 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 (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (9.0.0)
     awesome_print (1.8.0)
     bcrypt (3.1.12)
@@ -122,7 +122,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     pg (1.1.4)
-    public_suffix (3.0.3)
+    public_suffix (4.0.6)
     puma (3.12.1)
     rack (2.0.7)
     rack-test (1.1.0)