diff --git a/Gemfile.lock b/Gemfile.lock
index 144e2df..c6f181f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     adsf (1.4.3)
       rack (>= 1.0.0, < 3.0.0)
     builder (3.2.4)
@@ -66,7 +66,7 @@ GEM
     pastel (0.7.3)
       equatable (~> 0.6)
       tty-color (~> 0.5)
-    public_suffix (4.0.3)
+    public_suffix (5.0.0)
     pygments.rb (1.2.1)
       multi_json (>= 1.0.0)
     rack (2.2.2)