diff --git a/scripts/seed-master-data.js b/scripts/seed-master-data.js
index 0d55990..95818d9 100644
--- a/scripts/seed-master-data.js
+++ b/scripts/seed-master-data.js
@@ -43,8 +43,7 @@ const DEFAULT_POSITIONS = [
 ];
 
 async function main() {
-  const connectionString =
-    "postgres://postgres:admin1234@localhost:5432/training_system";
+  const connectionString = requireEnv("DATABASE_URL");
 
   if (!connectionString) {
     throw new Error("DATABASE_URL is required");
diff --git a/scripts/seed-super-admin.js b/scripts/seed-super-admin.js
index 2acac0b..6a9f320 100644
--- a/scripts/seed-super-admin.js
+++ b/scripts/seed-super-admin.js
@@ -3,8 +3,7 @@ const { hash } = require("bcryptjs");
 const crypto = require("node:crypto");
 
 async function main() {
-  const connectionString =
-    "postgres://postgres:admin1234@localhost:5432/training_system";
+  const connectionString = requireEnv("DATABASE_URL");
 
   if (!connectionString) {
     throw new Error("DATABASE_URL is required");