diff --git a/Gemfile.lock b/Gemfile.lock
index 75ae7f5..45dc520 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,8 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.3.4)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     arr-pm (0.0.8)
       cabin (> 0)
     backports (3.3.1)
@@ -54,6 +55,7 @@ GEM
       rake (>= 0.9)
       thor (>= 0.16.0)
       uber-s3
+    public_suffix (5.0.0)
     rake (10.0.4)
     systemu (2.5.2)
     thor (0.18.1)