diff --git a/Boltdir/Puppetfile b/Boltdir/Puppetfile
index 7b7ea11..61871cf 100644
--- a/Boltdir/Puppetfile
+++ b/Boltdir/Puppetfile
@@ -6,7 +6,7 @@ moduledir '.modules'
 
 mod 'puppet/systemd', '9.4.0'
 mod 'choria/mcollective', '0.15.0'
-mod 'puppetlabs/puppet_agent', '4.23.0'
+mod 'puppetlabs/puppet_agent', '4.28.0'
 mod 'puppet/firewalld', '5.1.0'
 mod 'puppetlabs/stdlib', '9.7.0'
 mod 'puppetlabs/git', '0.5.0'
diff --git a/Boltdir/bolt-project.yaml b/Boltdir/bolt-project.yaml
index bf52e75..752576d 100644
--- a/Boltdir/bolt-project.yaml
+++ b/Boltdir/bolt-project.yaml
@@ -20,7 +20,7 @@ modules:
   version_requirement: 5.1.0
 # renovate: datasource=puppet-forge
 - name: puppetlabs/puppet_agent
-  version_requirement: 4.23.0
+  version_requirement: 4.28.0
 # renovate: datasource=puppet-forge
 - name: choria/mcollective
   version_requirement: 0.15.0