diff --git a/lib/yeoman/templates/Gemfile.lock b/lib/yeoman/templates/Gemfile.lock
index 80244860..b1a37c35 100644
--- a/lib/yeoman/templates/Gemfile.lock
+++ b/lib/yeoman/templates/Gemfile.lock
@@ -1,7 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.3.8)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     capistrano (3.2.1)
       i18n
       rake (>= 10.0.0)
@@ -16,6 +17,7 @@ GEM
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
     net-ssh (2.9.1)
+    public_suffix (4.0.6)
     rainbow (2.2.2)
       rake
     rake (10.3.2)