diff --git a/README.md b/README.md
index b1270885..80ea5fed 100644
--- a/README.md
+++ b/README.md
@@ -50,14 +50,14 @@ To install Node.js and npm (using the NodeSource repository if possible):
 class { 'nodejs': }
 ```
 
-The default version installed is currently `12.x`.
+The default version installed is currently `18.x`.
 
-If you wish to install a Node.js 13.x release from the NodeSource repository
-rather than 12.x on Debian/RHEL platforms:
+If you wish to install a Node.js 21.x release from the NodeSource repository
+rather than 18.x on Debian/RHEL platforms:
 
 ```puppet
 class { 'nodejs':
-  repo_url_suffix => '13.x',
+  repo_url_suffix => '21.x',
 }
 ```
 
diff --git a/manifests/params.pp b/manifests/params.pp
index abeb4cb0..78db11b4 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -11,7 +11,7 @@
   $repo_proxy_password         = 'absent'
   $repo_proxy_username         = 'absent'
   $repo_release                = undef
-  $repo_url_suffix             = '12.x'
+  $repo_url_suffix             = '18.x'
   $use_flags                   = ['npm', 'snapshot']
 
   $cmd_exe_path = $facts['os']['family'] ? {