diff --git a/Puppetfile b/Puppetfile
index 5db44c6a0..67a22e429 100644
--- a/Puppetfile
+++ b/Puppetfile
@@ -180,7 +180,7 @@ mod 'mysql',
 
 mod 'postgresql',
   :git => 'https://github.com/puppetlabs/puppetlabs-postgresql',
-  :ref => 'v8.0.0'
+  :ref => 'v8.1.0'
 
 mod 'rabbitmq',
   :git => 'https://github.com/voxpupuli/puppet-rabbitmq',
@@ -192,7 +192,7 @@ mod 'rsync',
 
 mod 'stdlib',
   :git => 'https://github.com/puppetlabs/puppetlabs-stdlib',
-  :ref => 'v8.3.0'
+  :ref => 'v8.4.0'
 
 mod 'vcsrepo',
   :git => 'https://github.com/puppetlabs/puppetlabs-vcsrepo',