diff --git a/src/migrations/2025103000-create-users.ts b/src/migrations/2025103000-create-users.ts
new file mode 100644
index 0000000..27d138e
--- /dev/null
+++ b/src/migrations/2025103000-create-users.ts
@@ -0,0 +1,115 @@
+import { QueryInterface, DataTypes } from 'sequelize';
+
+/**
+ * Migration: Create users table
+ * This must run FIRST before other tables that reference users
+ */
+export async function up(queryInterface: QueryInterface): Promise<void> {
+  // Create users table
+  await queryInterface.createTable('users', {
+    user_id: {
+      type: DataTypes.UUID,
+      primaryKey: true,
+      defaultValue: DataTypes.UUIDV4,
+      field: 'user_id'
+    },
+    employee_id: {
+      type: DataTypes.STRING(50),
+      allowNull: true,
+      field: 'employee_id'
+    },
+    okta_sub: {
+      type: DataTypes.STRING(100),
+      allowNull: false,
+      unique: true,
+      field: 'okta_sub'
+    },
+    email: {
+      type: DataTypes.STRING(255),
+      allowNull: false,
+      unique: true,
+      field: 'email'
+    },
+    first_name: {
+      type: DataTypes.STRING(100),
+      allowNull: true,
+      field: 'first_name'
+    },
+    last_name: {
+      type: DataTypes.STRING(100),
+      allowNull: true,
+      field: 'last_name'
+    },
+    display_name: {
+      type: DataTypes.STRING(200),
+      allowNull: true,
+      field: 'display_name'
+    },
+    department: {
+      type: DataTypes.STRING(100),
+      allowNull: true
+    },
+    designation: {
+      type: DataTypes.STRING(100),
+      allowNull: true
+    },
+    phone: {
+      type: DataTypes.STRING(20),
+      allowNull: true
+    },
+    location: {
+      type: DataTypes.JSONB,
+      allowNull: true
+    },
+    is_active: {
+      type: DataTypes.BOOLEAN,
+      defaultValue: true,
+      field: 'is_active'
+    },
+    is_admin: {
+      type: DataTypes.BOOLEAN,
+      defaultValue: false,
+      field: 'is_admin'
+    },
+    last_login: {
+      type: DataTypes.DATE,
+      allowNull: true,
+      field: 'last_login'
+    },
+    created_at: {
+      type: DataTypes.DATE,
+      allowNull: false,
+      defaultValue: DataTypes.NOW,
+      field: 'created_at'
+    },
+    updated_at: {
+      type: DataTypes.DATE,
+      allowNull: false,
+      defaultValue: DataTypes.NOW,
+      field: 'updated_at'
+    }
+  });
+
+  // Create indexes
+  await queryInterface.addIndex('users', ['email'], {
+    name: 'users_email_idx',
+    unique: true
+  });
+
+  await queryInterface.addIndex('users', ['okta_sub'], {
+    name: 'users_okta_sub_idx',
+    unique: true
+  });
+
+  await queryInterface.addIndex('users', ['employee_id'], {
+    name: 'users_employee_id_idx'
+  });
+
+  console.log('✅ Created users table with indexes');
+}
+
+export async function down(queryInterface: QueryInterface): Promise<void> {
+  await queryInterface.dropTable('users');
+  console.log('✅ Dropped users table');
+}
+
diff --git a/src/scripts/migrate.ts b/src/scripts/migrate.ts
index 86c4ed0..9914368 100644
--- a/src/scripts/migrate.ts
+++ b/src/scripts/migrate.ts
@@ -1,5 +1,6 @@
 import { sequelize } from '../config/database';
 import { QueryInterface, QueryTypes } from 'sequelize';
+import * as m0 from '../migrations/2025103000-create-users';
 import * as m1 from '../migrations/2025103001-create-workflow-requests';
 import * as m2 from '../migrations/2025103002-create-approval-levels';
 import * as m3 from '../migrations/2025103003-create-participants';
@@ -14,6 +15,7 @@ import * as m11 from '../migrations/20251104-create-kpi-views';
 import * as m12 from '../migrations/20251104-create-holidays';
 import * as m13 from '../migrations/20251104-create-admin-config';
 import * as m14 from '../migrations/20251105-add-skip-fields-to-approval-levels';
+import * as m15 from '../migrations/2025110501-alter-tat-days-to-generated';
 
 interface Migration {
   name: string;
@@ -21,7 +23,12 @@ interface Migration {
 }
 
 // Define all migrations in order
+// IMPORTANT: Order matters! Dependencies must be created before tables that reference them
 const migrations: Migration[] = [
+  // 1. FIRST: Create base tables with no dependencies
+  { name: '2025103000-create-users', module: m0 }, // ← MUST BE FIRST
+  
+  // 2. Tables that depend on users
   { name: '2025103001-create-workflow-requests', module: m1 },
   { name: '2025103002-create-approval-levels', module: m2 },
   { name: '2025103003-create-participants', module: m3 },
@@ -30,12 +37,15 @@ const migrations: Migration[] = [
   { name: '20251031_02_create_activities', module: m6 },
   { name: '20251031_03_create_work_notes', module: m7 },
   { name: '20251031_04_create_work_note_attachments', module: m8 },
+  
+  // 3. Table modifications and additional features
   { name: '20251104-add-tat-alert-fields', module: m9 },
   { name: '20251104-create-tat-alerts', module: m10 },
   { name: '20251104-create-kpi-views', module: m11 },
   { name: '20251104-create-holidays', module: m12 },
   { name: '20251104-create-admin-config', module: m13 },
   { name: '20251105-add-skip-fields-to-approval-levels', module: m14 },
+  { name: '2025110501-alter-tat-days-to-generated', module: m15 },
 ];
 
 /**