diff --git a/Gemfile.lock b/Gemfile.lock
index 36cb684..2c2c4e6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,8 +19,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     akami (1.3.1)
       gyoku (>= 0.4.0)
       nokogiri
@@ -64,7 +64,7 @@ GEM
     pry-byebug (3.6.0)
       byebug (~> 10.0)
       pry (~> 0.10)
-    public_suffix (3.0.2)
+    public_suffix (3.1.1)
     rack (2.0.6)
     rainbow (3.0.0)
     rake (10.5.0)