diff --git a/overlays/upgrade-pg-cluster.nix b/overlays/upgrade-pg-cluster.nix
index 80b7c87..b8d5e22 100644
--- a/overlays/upgrade-pg-cluster.nix
+++ b/overlays/upgrade-pg-cluster.nix
@@ -1,4 +1,4 @@
-{ postgresql_15, postgresql_14, writeScriptBin, ... }:
+{ postgresql_15, postgresql_16, writeScriptBin, ... }:
 
 let
 	newPostgres = postgresql_16;