diff --git a/check_process b/check_process
index 130a260..02166c3 100644
--- a/check_process
+++ b/check_process
@@ -15,8 +15,10 @@
 		setup_private=1
 		setup_public=1
 		upgrade=1
-		#4.6.1
+		# 4.6.1
 		upgrade=1		from_commit=3f8363cdc588e609a775cb8b78b9d080f96405d9
+		# 4.9~ynh1
+		upgrade=1		from_commit=7fec5a47a80e00458a31f1270c4ace822961e7bf
 		backup_restore=1
 		multi_instance=1
 		port_already_use=0