diff --git a/classes/cluster/drivetrain-ha/infra/config.yml b/classes/cluster/drivetrain-ha/infra/config.yml
index a360806..5691518 100644
--- a/classes/cluster/drivetrain-ha/infra/config.yml
+++ b/classes/cluster/drivetrain-ha/infra/config.yml
@@ -1,5 +1,6 @@
 classes:
   - system.linux.system.repo.mcp.salt
+  - system.linux.system.repo.mcp.extra
   - system.salt.master.pkg
   - system.salt.master.api
   - system.salt.minion.ca.salt_master