diff --git a/Gemfile.lock b/Gemfile.lock
index 0f13355..1565fd9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,11 +7,13 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.3.8)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     i18n (0.7.0)
     json (1.8.3)
     minitest (5.8.1)
     parallel (1.6.1)
+    public_suffix (4.0.7)
     ruby-progressbar (1.7.5)
     thread_safe (0.3.5)
     tzinfo (1.2.2)