diff --git a/scripts/seed_events.py b/scripts/seed_events.py
index c7b2327..b65742a 100644
--- a/scripts/seed_events.py
+++ b/scripts/seed_events.py
@@ -2,6 +2,7 @@
 Seed events from Excel calendar into LIMA via API.
 Usage: python seed_events.py
 """
+import os
 import json
 import urllib.request
 import urllib.error
@@ -12,8 +13,10 @@
 
 EXCEL_PATH = r"C:\Users\jerom\Downloads\calendrierlima2526_V12.xlsx"
 API_BASE = "https://api-production-e15b.up.railway.app"
-ADMIN_EMAIL = "admin@lima-impro.fr"
-ADMIN_PASSWORD = "Admin1234!"
+ADMIN_EMAIL = os.environ.get("LIMA_ADMIN_EMAIL", "admin@lima-impro.fr")
+ADMIN_PASSWORD = os.environ.get("LIMA_ADMIN_PASSWORD")
+if not ADMIN_PASSWORD:
+    raise SystemExit("Definis LIMA_ADMIN_PASSWORD dans l'environnement avant de lancer ce script.")
 
 # ── Helpers ──────────────────────────────────────────────────────────────────
 
diff --git a/scripts/seed_members.py b/scripts/seed_members.py
index 373e4cc..33b6da9 100644
--- a/scripts/seed_members.py
+++ b/scripts/seed_members.py
@@ -6,14 +6,17 @@
 Usage: py scripts/seed_members.py
 """
 
+import os
 import csv
 import requests
 
 COTISATION_CSV = r"C:\Users\jerom\Downloads\export-cotisation-joueur-euse-2025-2026-lima-17_09_2025-31_03_2026.csv"
 ADHESION_CSV = r"C:\Users\jerom\Downloads\export-bulletin-d-adhesion-lima-2025-2026-lima-07_09_2025-31_03_2026.csv"
 API_BASE = "https://api-production-e15b.up.railway.app"
-ADMIN_EMAIL = "admin@lima-impro.fr"
-ADMIN_PASSWORD = "Admin1234!"
+ADMIN_EMAIL = os.environ.get("LIMA_ADMIN_EMAIL", "admin@lima-impro.fr")
+ADMIN_PASSWORD = os.environ.get("LIMA_ADMIN_PASSWORD")
+if not ADMIN_PASSWORD:
+    raise SystemExit("Definis LIMA_ADMIN_PASSWORD dans l'environnement avant de lancer ce script.")
 DEFAULT_PASSWORD = "Lima2526!"
 
 
diff --git a/scripts/seed_t3_alignements.py b/scripts/seed_t3_alignements.py
index beef09b..aa98984 100644
--- a/scripts/seed_t3_alignements.py
+++ b/scripts/seed_t3_alignements.py
@@ -4,11 +4,14 @@
 Usage: py scripts/seed_t3_alignements.py
 """
 
+import os
 import requests
 
 API_BASE = "https://api-production-e15b.up.railway.app"
-ADMIN_EMAIL = "admin@lima-impro.fr"
-ADMIN_PASSWORD = "Admin1234!"
+ADMIN_EMAIL = os.environ.get("LIMA_ADMIN_EMAIL", "admin@lima-impro.fr")
+ADMIN_PASSWORD = os.environ.get("LIMA_ADMIN_PASSWORD")
+if not ADMIN_PASSWORD:
+    raise SystemExit("Definis LIMA_ADMIN_PASSWORD dans l'environnement avant de lancer ce script.")
 
 session = requests.Session()
 _logged_in = False
diff --git a/scripts/seed_welsh_initiation.py b/scripts/seed_welsh_initiation.py
index 57297f3..a1df591 100644
--- a/scripts/seed_welsh_initiation.py
+++ b/scripts/seed_welsh_initiation.py
@@ -3,12 +3,15 @@
 Usage: python scripts/seed_welsh_initiation.py
 """
 
+import os
 import unicodedata
 import requests
 
 API_BASE = "https://api-production-e15b.up.railway.app"
-ADMIN_EMAIL = "admin@lima-impro.fr"
-ADMIN_PASSWORD = "Admin1234!"
+ADMIN_EMAIL = os.environ.get("LIMA_ADMIN_EMAIL", "admin@lima-impro.fr")
+ADMIN_PASSWORD = os.environ.get("LIMA_ADMIN_PASSWORD")
+if not ADMIN_PASSWORD:
+    raise SystemExit("Definis LIMA_ADMIN_PASSWORD dans l'environnement avant de lancer ce script.")
 
 HELLOASSO_URL = "https://www.helloasso.com/associations/lima/evenements/dimanche-d-initiation-28-juin-2026"
 
diff --git a/scripts/upload_trombi_photos.py b/scripts/upload_trombi_photos.py
index 597ff00..940e322 100644
--- a/scripts/upload_trombi_photos.py
+++ b/scripts/upload_trombi_photos.py
@@ -6,6 +6,7 @@
 left→right, top→bottom. Some slots on pages 9-10 are empty frames.
 """
 
+import os
 import sys
 import base64
 import io
@@ -14,8 +15,10 @@
 from PIL import Image
 
 API_BASE = "https://api-production-e15b.up.railway.app"
-ADMIN_EMAIL = "admin@lima-impro.fr"
-ADMIN_PASSWORD = "Admin1234!"
+ADMIN_EMAIL = os.environ.get("LIMA_ADMIN_EMAIL", "admin@lima-impro.fr")
+ADMIN_PASSWORD = os.environ.get("LIMA_ADMIN_PASSWORD")
+if not ADMIN_PASSWORD:
+    raise SystemExit("Definis LIMA_ADMIN_PASSWORD dans l'environnement avant de lancer ce script.")
 PDF_PATH = r"C:\Users\jerom\Downloads\Lima\Trombinoscope LIMA 2025-2026.pdf"
 
 DRY_RUN = "--dry-run" in sys.argv