diff --git a/admin/nixpacks.toml b/admin/nixpacks.toml
index fe3ca4a..3ca8f61 100644
--- a/admin/nixpacks.toml
+++ b/admin/nixpacks.toml
@@ -1,12 +1,13 @@
 [phases.setup]
-nixPkgs = ["nodejs_24", "openssl"]
+# Ce hash force Nixpacks à utiliser la version contenant Node 22.13.1
+nixpkgsArchive = "51ad838b03a05b1de6f9f2a0fffecee64a9788ee"
+nixPkgs = ["nodejs_22", "openssl"]
 
 [phases.install]
 cmds = ["npm ci"]
 
 [phases.build]
-cmds = ["npm install", "npx prisma generate", "npm run build"]
+cmds = ["npx prisma generate", "npm run build"]
 
 [start]
-# Exécute prisma db push au runtime (démarrage du conteneur)
-cmd = "npx prisma db push --accept-data-loss && npm start"
+cmd = "npx prisma db push --accept-data-loss && npm start"
\ No newline at end of file