diff --git a/Puppetfile b/Puppetfile
index 8ea25d1..f0e8a9d 100644
--- a/Puppetfile
+++ b/Puppetfile
@@ -2,5 +2,5 @@ forge 'forge.puppetlabs.com'
 moduledir 'external_modules'
 
 # Forge Modules
-mod 'puppetlabs/ntp', '4.1.0'
-mod 'puppetlabs/stdlib'
+mod 'puppetlabs/ntp', :latest
+mod 'puppetlabs/stdlib', :latest