diff --git a/Gemfile.lock b/Gemfile.lock
index 49d2f66..a778eda 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 (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     blankslate (2.1.2.4)
     classifier-reborn (2.2.0)
       fast-stemmer (~> 1.0)
@@ -56,7 +56,7 @@ GEM
     parslet (1.5.0)
       blankslate (~> 2.0)
     posix-spawn (0.3.13)
-    public_suffix (4.0.3)
+    public_suffix (7.0.5)
     pygments.rb (0.6.3)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.2.0)