diff --git a/Puppetfile b/Puppetfile
index 98499aa02..34a3fb0a6 100755
--- a/Puppetfile
+++ b/Puppetfile
@@ -154,7 +154,7 @@ mod 'ssh',
 
 mod 'stdlib',
   :git => 'https://github.com/puppetlabs/puppetlabs-stdlib',
-  :ref => '4.16.0'
+  :ref => '4.18.0'
 
 mod 'sysctl',
   :git => 'https://github.com/duritong/puppet-sysctl',