diff --git a/Gemfile.lock b/Gemfile.lock
index 337bdaf..2838965 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     builder (3.2.2)
     descendants_tracker (0.0.4)
@@ -44,7 +44,7 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
-    public_suffix (4.0.3)
+    public_suffix (4.0.7)
     rack (2.2.3)
     rake (12.3.3)
     rchardet (1.8.0)