diff --git a/Gemfile.lock b/Gemfile.lock
index 9eaba84cf..bd67c193f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -35,8 +35,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     arel (6.0.4)
     ast (2.4.0)
     awesome_print (1.8.0)
@@ -248,7 +248,7 @@ GEM
     pry-stack_explorer (0.4.9.3)
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
-    public_suffix (4.0.3)
+    public_suffix (5.0.0)
     puma (4.3.8)
       nio4r (~> 2.0)
     rack (1.6.13)