diff --git a/Gemfile.lock b/Gemfile.lock
index 5378252..18cec61 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     bitly (2.0.0)
       oauth2 (>= 0.5.0, < 2.0)
@@ -27,7 +27,7 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
-    public_suffix (4.0.4)
+    public_suffix (4.0.6)
     rack (2.2.3)
     rake (12.3.3)
     rspec (3.9.0)