diff --git a/Puppetfile b/Puppetfile
index 59c598316..cbc86e7c3 100644
--- a/Puppetfile
+++ b/Puppetfile
@@ -152,7 +152,7 @@ mod 'apache',
 
 mod 'apt',
   :git => 'https://github.com/puppetlabs/puppetlabs-apt',
-  :ref => 'v9.1.0'
+  :ref => 'v9.0.2'
 
 mod 'concat',
   :git => 'https://github.com/puppetlabs/puppetlabs-concat',
diff --git a/external_modules.txt b/external_modules.txt
index 706fddc6a..18cd7a55c 100644
--- a/external_modules.txt
+++ b/external_modules.txt
@@ -1,6 +1,6 @@
 voxpupuli/puppet-kmod
 puppetlabs/puppetlabs-apache
-puppetlabs/puppetlabs-apt
+puppetlabs/puppetlabs-apt,v9.0.2
 puppetlabs/puppetlabs-concat
 puppetlabs/puppetlabs-firewall
 puppetlabs/puppetlabs-inifile