diff --git a/Puppetfile b/Puppetfile
index b366eec..f2c9fc5 100644
--- a/Puppetfile
+++ b/Puppetfile
@@ -2,5 +2,5 @@ forge 'forge.puppetlabs.com'
 moduledir 'external_modules'
 
 # Forge Modules
-mod 'puppetlabs/ntp'
+mod 'puppet-chrony', '2.6.0'
 mod 'puppetlabs/stdlib'
diff --git a/hieradata/common.yaml b/hieradata/common.yaml
index 158a269..50c98bb 100644
--- a/hieradata/common.yaml
+++ b/hieradata/common.yaml
@@ -1,4 +1,4 @@
 ---
-ntp::servers:
+profile::base::ntp_servers:
   - 0.au.pool.ntp.org
   - 1.au.pool.ntp.org
diff --git a/site/profile/manifests/base.pp b/site/profile/manifests/base.pp
index cc96345..1e9744e 100644
--- a/site/profile/manifests/base.pp
+++ b/site/profile/manifests/base.pp
@@ -1,3 +1,8 @@
-class profile::base {
-  class { '::ntp': }
+# this is the base class, which will be used by all servers
+class profile::base (
+  Array  $ntp_servers,
+) {
+  class { 'chrony':
+    servers => $ntp_servers,
+  }
 }