diff --git a/plugins/modules/system/puppet.py b/plugins/modules/system/puppet.py
index d8071aca1e..dbfba09465 100644
--- a/plugins/modules/system/puppet.py
+++ b/plugins/modules/system/puppet.py
@@ -179,7 +179,9 @@ def main():
             manifest=dict(type='str'),
             noop=dict(type='bool'),
             logdest=dict(type='str', default='stdout', choices=['all', 'stdout', 'syslog']),
-            show_diff=dict(type='bool', default=False, aliases=['show-diff']),
+            show_diff=dict(
+                type='bool', default=False, aliases=['show-diff'],
+                deprecated_aliases=[dict(name='show-diff', version='7.0.0', collection_name='community.general')])),
             facts=dict(type='dict'),
             facter_basename=dict(type='str', default='ansible'),
             environment=dict(type='str'),