diff --git a/plans/idea-3-esxi-support.md b/plans/idea-4-esxi-support.md
similarity index 100%
rename from plans/idea-3-esxi-support.md
rename to plans/idea-4-esxi-support.md
diff --git a/plans/ideas-overview.md b/plans/ideas-overview.md
index 9a3aa53..4ff90a7 100644
--- a/plans/ideas-overview.md
+++ b/plans/ideas-overview.md
@@ -8,7 +8,7 @@ in sequenza, e **solo dopo** valutare Idea 3 (ESXi).
 | A    | Rewrite in Python sull'host Windows attuale (codebase cross-platform-ready)        | [idea-1-python-rewrite.md](idea-1-python-rewrite.md)           |
 | B    | Migrazione host: Windows 11 + Workstation Pro → Linux Mint + Workstation Pro Linux | [idea-2-linux-host.md](idea-2-linux-host.md)                   |
 | C    | (Futuro, dopo B stabile) Eliminazione dipendenza `pwsh` dall'host Linux            | [idea-3-powershell-removal.md](idea-3-powershell-removal.md)   |
-| D    | (Futuro, condizionato a C stabili) Aggiunta backend ESXi                           | [idea-3-esxi-support.md](idea-3-esxi-support.md)               |
+| D    | (Futuro, condizionato a C stabili) Aggiunta backend ESXi                           | [idea-4-esxi-support.md](idea-4-esxi-support.md)               |
 
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