diff --git a/Excel/backup/Demo_Cuisine_Vers1.0.2.xlsm b/Excel/backup/Demo_Cuisine_Vers1.0.2.xlsm
new file mode 100644
index 0000000..018c7cd
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diff --git a/Excel/backup/Ratio_Restauration_Vers1.0.48.xlsm b/Excel/backup/Ratio_Restauration_Vers1.0.48.xlsm
new file mode 100644
index 0000000..9c76a2a
Binary files /dev/null and b/Excel/backup/Ratio_Restauration_Vers1.0.48.xlsm differ
diff --git a/Excel/prod/Demo_Cuisine.xlsm b/Excel/prod/Demo_Cuisine.xlsm
new file mode 100644
index 0000000..018c7cd
Binary files /dev/null and b/Excel/prod/Demo_Cuisine.xlsm differ
diff --git a/Excel/prod/Demo_Cuisine_VERSION.txt b/Excel/prod/Demo_Cuisine_VERSION.txt
new file mode 100644
index 0000000..fe1b782
--- /dev/null
+++ b/Excel/prod/Demo_Cuisine_VERSION.txt
@@ -0,0 +1,2 @@
+1.0.3
+2025-12-09
diff --git a/Excel/prod/Ratio_Cuisine.xlsm b/Excel/prod/Ratio_Cuisine.xlsm
index b3bbd34..87900e7 100644
Binary files a/Excel/prod/Ratio_Cuisine.xlsm and b/Excel/prod/Ratio_Cuisine.xlsm differ
diff --git a/Excel/prod/Ratio_Restauration.xlsm b/Excel/prod/Ratio_Restauration.xlsm
index 3afa11d..f608a54 100644
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diff --git a/Excel/prod/Ratio_Restauration_VERSION.txt b/Excel/prod/Ratio_Restauration_VERSION.txt
index a239adf..10340a9 100644
--- a/Excel/prod/Ratio_Restauration_VERSION.txt
+++ b/Excel/prod/Ratio_Restauration_VERSION.txt
@@ -1,2 +1,2 @@
-1.0.48
+1.0.49
 2025-12-08
diff --git a/Scripts/Maj_prod_DemoCuisine.bat b/Scripts/Maj_prod_DemoCuisine.bat
new file mode 100644
index 0000000..dcdf3bb
--- /dev/null
+++ b/Scripts/Maj_prod_DemoCuisine.bat
@@ -0,0 +1,70 @@
+@echo off
+setlocal ENABLEDELAYEDEXPANSION
+
+REM --- Se place dans le dossier du .bat ---
+cd /d "%~dp0"
+
+REM Chemin du fichier de version pour la CUISINE
+set "VERSION_FILE=..\Excel\prod\Demo_Cuisine_VERSION.txt"
+
+REM On lit l'ANCIENNE version avant de la mettre à jour (pour nommer la sauvegarde)
+set "OLD_VERSION="
+if exist "%VERSION_FILE%" (
+    set /p OLD_VERSION=<"%VERSION_FILE%"
+)
+
+echo Mise à jour de version...
+python "maj_version.py" "%VERSION_FILE%"
+if errorlevel 1 (
+    echo ERREUR lors de la mise à jour de version.
+    pause
+    exit /b 1
+)
+
+REM === 2) CHEMINS DES FICHIERS EXCEL ===
+set SRC=..\Excel\dev\Demo_Cuisine_dev.xlsm
+set DST_DIR=..\Excel\prod
+
+REM Dossier commun de sauvegardes (Cuisine + Restauration)
+set BACKUP_DIR=..\Excel\backup
+
+REM Vérifications
+if not exist "%SRC%" (
+    echo ERREUR : fichier source introuvable :
+    echo %SRC%
+    pause
+    exit /b 1
+)
+
+if not exist "%DST_DIR%" (
+    echo ERREUR : dossier de destination introuvable :
+    echo %DST_DIR%
+    pause
+    exit /b 1
+)
+
+REM Création auto du dossier de sauvegarde s'il n'existe pas
+if not exist "%BACKUP_DIR%" (
+    mkdir "%BACKUP_DIR%"
+)
+
+REM === 3) NOM DU FICHIER DE SAUVEGARDE AVEC ANCIENNE VERSION ===
+if "%OLD_VERSION%"=="" (
+    REM Sécurité : si on n'a pas réussi à lire la version, on met un nom générique
+    set "BACKUP=%BACKUP_DIR%\Demo_Cuisine_sansVersion.xlsm"
+) else (
+    set "BACKUP=%BACKUP_DIR%\Demo_Cuisine_Vers%OLD_VERSION%.xlsm"
+)
+
+REM === 4) COPIE VERS PROD ===
+echo Copie vers la version de production...
+copy /Y "%SRC%" "%DST_DIR%\Demo_Cuisine.xlsm"
+
+REM === 5) SAUVEGARDE DATÉE ===
+echo Création de la sauvegarde datée...
+copy /Y "%SRC%" "%BACKUP%"
+
+echo Terminé.
+exit /b 0
+
+