diff --git a/Gemfile.lock b/Gemfile.lock
index ce4ba17..3f96031 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,8 @@ GEM
       multi_json (~> 1.3)
       thread_safe (~> 0.1)
       tzinfo (~> 0.3.37)
-    addressable (2.3.4)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     atomic (1.1.10)
     bigcommerce (0.8.2)
       activesupport
@@ -44,6 +45,7 @@ GEM
       coderay (~> 1.0.5)
       method_source (~> 0.8)
       slop (~> 3.4)
+    public_suffix (4.0.7)
     rack (1.5.2)
     rack-mount (0.8.3)
       rack (>= 1.0.0)