diff --git a/Gemfile.lock b/Gemfile.lock
index ef6a50d..6447364 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.3.8)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     airrecord (1.0.8)
       faraday (>= 0.10, < 3.0)
       net-http-persistent
@@ -109,6 +110,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
+    public_suffix (4.0.7)
     rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)