diff --git a/Gemfile.lock b/Gemfile.lock
index 84ee13e..091c922 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     colorator (1.1.0)
     ffi (1.12.2)
@@ -36,7 +36,7 @@ GEM
     multi_json (1.12.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.3)
+    public_suffix (4.0.6)
     pygments.rb (1.1.1)
       multi_json (>= 1.0.0)
     rb-fsevent (0.10.3)