diff --git a/upgrade_6.0.x_to_7.0.x.md b/upgrade_6.0.x_to_7.0.x.md
index 80167c7..872fccf 100644
--- a/upgrade_6.0.x_to_7.0.x.md
+++ b/upgrade_6.0.x_to_7.0.x.md
@@ -4,6 +4,12 @@
 
 Make sure to make a backup of the server(s) before you proceed.
 
+This instruction is assuming that you are using the following versions of software at the moment of the upgrade:
+
+* Debian 10
+* PostgreSQL v14
+* TimescaleDB v2.6.0
+
 ## Upgrade Debian OS
 
 Make sure to make a upgrade to Debian 12 before upgrading.