diff --git a/.msync.yml b/.msync.yml
index 68fb43b2..814fbd04 100644
--- a/.msync.yml
+++ b/.msync.yml
@@ -2,4 +2,4 @@
 # Managed by modulesync - DO NOT EDIT
 # https://voxpupuli.org/docs/updating-files-managed-with-modulesync/
 
-modulesync_config_version: '10.2.0'
+modulesync_config_version: '10.3.0'
diff --git a/Gemfile b/Gemfile
index caa4abfd..e6ad4c86 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@
 source ENV['GEM_SOURCE'] || 'https://rubygems.org'
 
 group :test do
-  gem 'voxpupuli-test', '~> 12.0',  :require => false
+  gem 'voxpupuli-test', '~> 13.0',  :require => false
   gem 'puppet_metadata', '~> 5.0',  :require => false
   gem 'ipaddress',                  :require => false
   gem 'rspec-its',                  :require => false
@@ -20,7 +20,7 @@ group :system_tests do
 end
 
 group :release do
-  gem 'voxpupuli-release', '~> 4.0',  :require => false
+  gem 'voxpupuli-release', '~> 5.0',  :require => false
 end
 
 gem 'rake', :require => false
diff --git a/REFERENCE.md b/REFERENCE.md
index 8d9ccbba..8100ec61 100644
--- a/REFERENCE.md
+++ b/REFERENCE.md
@@ -217,7 +217,7 @@ Default value: `undef`
 
 ##### <a name="-network--bond--hotplug"></a>`hotplug`
 
-Data type: `Variant[Boolean, Enum['true', 'false'], Undef]`
+Data type: `Optional[Variant[Boolean, Enum['true', 'false']]]`
 
 Whether to allow hotplug for the interface
 
diff --git a/manifests/bond.pp b/manifests/bond.pp
index c592f032..306d01fa 100644
--- a/manifests/bond.pp
+++ b/manifests/bond.pp
@@ -70,7 +70,7 @@
   Optional[String[1]]                                $method             = undef,
   Optional[Enum['inet', 'inet6']]                    $family             = undef,
   Optional[Boolean]                                  $onboot             = undef,
-  Variant[Boolean, Enum['true', 'false'], Undef]     $hotplug            = undef,
+  Optional[Variant[Boolean, Enum['true', 'false']]]  $hotplug            = undef,
   Optional[Enum['slow', 'fast', '0', '1']]           $lacp_rate          = undef,
   Optional[
     Variant[Integer[42, 65536], Pattern[/^\d+$/]]