diff --git a/Gemfile.lock b/Gemfile.lock
index e29d6e7..d278ea7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,8 +21,8 @@ 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)
     bcrypt (3.1.15)
     bond (0.5.1)
@@ -57,7 +57,7 @@ GEM
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (4.0.5)
+    public_suffix (5.0.0)
     rack (2.2.3)
     rack-protection (2.0.8.1)
       rack