diff --git a/.msync.yml b/.msync.yml
index 1115a3f..c632e46 100644
--- a/.msync.yml
+++ b/.msync.yml
@@ -1 +1 @@
-modulesync_config_version: '1.9.4'
+modulesync_config_version: '1.9.6'
diff --git a/Gemfile b/Gemfile
index 8da95fb..998c9ed 100644
--- a/Gemfile
+++ b/Gemfile
@@ -53,9 +53,11 @@ group :system_tests do
   end
   gem 'serverspec',                         :require => false
   gem 'beaker-hostgenerator', '>= 1.1.10',  :require => false
+  gem 'beaker-docker',                      :require => false
+  gem 'beaker-puppet',                      :require => false
   gem 'beaker-puppet_install_helper',       :require => false
   gem 'beaker-module_install_helper',       :require => false
-  gem 'rbnacl', '~> 4',                     :require => false if RUBY_VERSION >= '2.2.6'
+  gem 'rbnacl', '>= 4',                     :require => false if RUBY_VERSION >= '2.2.6'
   gem 'rbnacl-libsodium',                   :require => false if RUBY_VERSION >= '2.2.6'
   gem 'bcrypt_pbkdf',                       :require => false
 end