diff --git a/server/config/config.js b/server/config/config.js
index fbac73223..3528ecc9e 100644
--- a/server/config/config.js
+++ b/server/config/config.js
@@ -79,5 +79,6 @@ module.exports = {
 
   api: {
     prefix: '/api'
-  }
+  },
+  resetPasswordSeconds: 600,
 };
diff --git a/server/package.json b/server/package.json
index 8ca84982e..c4f8d0ea4 100644
--- a/server/package.json
+++ b/server/package.json
@@ -58,6 +58,7 @@
     "nodemailer": "^6.3.0",
     "nodemon": "^1.19.1",
     "objection": "^2.0.10",
+    "objection-soft-delete": "^1.0.7",
     "reflect-metadata": "^0.1.13",
     "ts-transformer-keys": "^0.4.2",
     "tsyringe": "^4.3.0",
diff --git a/server/src/exceptions/NoPaymentModelWithPricedPlan.ts b/server/src/exceptions/NoPaymentModelWithPricedPlan.ts
new file mode 100644
index 000000000..938ec8b4a
--- /dev/null
+++ b/server/src/exceptions/NoPaymentModelWithPricedPlan.ts
@@ -0,0 +1,8 @@
+
+
+export default class NoPaymentModelWithPricedPlan {
+
+  constructor() {
+    
+  }
+}
\ No newline at end of file
diff --git a/server/src/exceptions/NotAllowedChangeSubscriptionPlan.ts b/server/src/exceptions/NotAllowedChangeSubscriptionPlan.ts
index 4a016dc85..e6c6bac1e 100644
--- a/server/src/exceptions/NotAllowedChangeSubscriptionPlan.ts
+++ b/server/src/exceptions/NotAllowedChangeSubscriptionPlan.ts
@@ -1,9 +1,8 @@
 
 
-export default class NotAllowedChangeSubscriptionPlan extends Error{
+export default class NotAllowedChangeSubscriptionPlan {
 
   constructor(message: string) {
-    super(message);
     this.name = "NotAllowedChangeSubscriptionPlan";
   }
 }
\ No newline at end of file
diff --git a/server/src/exceptions/PaymentAmountInvalidWithPlan.ts b/server/src/exceptions/PaymentAmountInvalidWithPlan.ts
new file mode 100644
index 000000000..834e8cbe1
--- /dev/null
+++ b/server/src/exceptions/PaymentAmountInvalidWithPlan.ts
@@ -0,0 +1,7 @@
+
+
+export default class PaymentAmountInvalidWithPlan{
+  constructor() {
+    
+  }
+}
\ No newline at end of file
diff --git a/server/src/exceptions/PaymentInputInvalid.ts b/server/src/exceptions/PaymentInputInvalid.ts
new file mode 100644
index 000000000..065bfb3b4
--- /dev/null
+++ b/server/src/exceptions/PaymentInputInvalid.ts
@@ -0,0 +1,5 @@
+
+
+export default class PaymentInputInvalid {
+  constructor() {}
+}
\ No newline at end of file
diff --git a/server/src/exceptions/index.ts b/server/src/exceptions/index.ts
index 8343e2fc6..2fe026caa 100644
--- a/server/src/exceptions/index.ts
+++ b/server/src/exceptions/index.ts
@@ -1,9 +1,15 @@
 import NotAllowedChangeSubscriptionPlan from './NotAllowedChangeSubscriptionPlan';
 import ServiceError from './ServiceError';
 import ServiceErrors from './ServiceErrors';
+import NoPaymentModelWithPricedPlan from './NoPaymentModelWithPricedPlan';
+import PaymentInputInvalid from './PaymentInputInvalid';
+import PaymentAmountInvalidWithPlan from './PaymentAmountInvalidWithPlan';
 
 export {
   NotAllowedChangeSubscriptionPlan,
+  NoPaymentModelWithPricedPlan,
+  PaymentAmountInvalidWithPlan,
   ServiceError,
   ServiceErrors,
+  PaymentInputInvalid
 };
\ No newline at end of file
diff --git a/server/src/http/controllers/Authentication.ts b/server/src/http/controllers/Authentication.ts
index 45fc69bd7..1cbbe3cf2 100644
--- a/server/src/http/controllers/Authentication.ts
+++ b/server/src/http/controllers/Authentication.ts
@@ -204,7 +204,7 @@ export default class AuthenticationController extends BaseController{
       })
     } catch(error) {
       if (error instanceof ServiceError) {
-        if (error.errorType === 'token_invalid') {
+        if (error.errorType === 'token_invalid' || error.errorType === 'token_expired') {
           return res.boom.badRequest(null, {
             errors: [{ type: 'TOKEN_INVALID', code: 100 }],
           });
diff --git a/server/src/http/controllers/Subscription/PaymentViaLicense.ts b/server/src/http/controllers/Subscription/PaymentViaLicense.ts
index 767caaa56..0c99b5505 100644
--- a/server/src/http/controllers/Subscription/PaymentViaLicense.ts
+++ b/server/src/http/controllers/Subscription/PaymentViaLicense.ts
@@ -1,13 +1,16 @@
 import { Inject, Service } from 'typedi';
 import { Router, Request, Response } from 'express';
-import { check, param, query, ValidationSchema } from 'express-validator';
-import { License, Plan } from '@/system/models';
+import { check } from 'express-validator';
 import validateMiddleware from '@/http/middleware/validateMiddleware';
 import asyncMiddleware from '@/http/middleware/asyncMiddleware';
 import PaymentMethodController from '@/http/controllers/Subscription/PaymentMethod';
 import {
-  NotAllowedChangeSubscriptionPlan
+  NotAllowedChangeSubscriptionPlan,
+  NoPaymentModelWithPricedPlan,
+  PaymentAmountInvalidWithPlan,
+  PaymentInputInvalid,
 } from '@/exceptions';
+import { ILicensePaymentModel } from '@/interfaces';
 
 @Service()
 export default class PaymentViaLicenseController extends PaymentMethodController { 
@@ -24,9 +27,7 @@ export default class PaymentViaLicenseController extends PaymentMethodController
       '/payment',
       this.paymentViaLicenseSchema,
       validateMiddleware,
-      asyncMiddleware(this.validateLicenseCodeExistance.bind(this)),
       asyncMiddleware(this.validatePlanSlugExistance.bind(this)),
-      asyncMiddleware(this.validateLicenseAndPlan.bind(this)),
       asyncMiddleware(this.paymentViaLicense.bind(this)),
     );
     return router;
@@ -38,54 +39,10 @@ export default class PaymentViaLicenseController extends PaymentMethodController
   get paymentViaLicenseSchema() {
     return [
       check('plan_slug').exists().trim().escape(),
-      check('license_code').exists().trim().escape(),
+      check('license_code').optional().trim().escape(),
     ];
   }
 
-  /**
-   * Validate the given license code exists on the storage.
-   * @async
-   * @param {Request} req 
-   * @param {Response} res 
-   */
-  async validateLicenseCodeExistance(req: Request, res: Response, next: Function) {
-    const { licenseCode } = this.matchedBodyData(req);
-    this.logger.info('[license_payment] trying to validate license code.', { licenseCode });
-
-    const foundLicense = await License.query()
-      .modify('filterActiveLicense')
-      .where('license_code', licenseCode)
-      .first();
-
-    if (!foundLicense) {
-      return res.status(400).send({
-        errors: [{ type: 'LICENSE.CODE.IS.INVALID', code: 120 }],
-      });
-    }
-    next();
-  }
-
-  /**
-   * Validate the license period and plan period.
-   * @param {Request} req 
-   * @param {Response} res 
-   * @param {Function} next 
-   */
-  async validateLicenseAndPlan(req: Request, res: Response, next: Function) {
-    const { planSlug, licenseCode } = this.matchedBodyData(req);
-    this.logger.info('[license_payment] trying to validate license with the plan.', { licenseCode });
-
-    const license = await License.query().findOne('license_code', licenseCode);
-    const plan = await Plan.query().findOne('slug', planSlug);
-
-    if (license.planId !== plan.id) {
-      return res.status(400).send({
-        errors: [{ type: 'LICENSE.NOT.FOR.GIVEN.PLAN' }],
-      });
-    }
-    next();
-  }
-
   /**
    * Handle the subscription payment via license code.
    * @param {Request} req 
@@ -97,8 +54,11 @@ export default class PaymentViaLicenseController extends PaymentMethodController
     const { tenant } = req;
 
     try {
+      const licenseModel: ILicensePaymentModel|null = licenseCode
+        ? { licenseCode } : null;
+
       await this.subscriptionService
-        .subscriptionViaLicense(tenant.id, planSlug, licenseCode);
+        .subscriptionViaLicense(tenant.id, planSlug, licenseModel);
 
       return res.status(200).send({
         type: 'success',
@@ -108,7 +68,13 @@ export default class PaymentViaLicenseController extends PaymentMethodController
     } catch (exception) {
       const errorReasons = [];
 
-      if (exception.name === 'NotAllowedChangeSubscriptionPlan') {
+      if (exception instanceof NoPaymentModelWithPricedPlan) {
+        errorReasons.push({
+          type: 'NO_PAYMENT_WITH_PRICED_PLAN',
+          code: 140,
+        });
+      }
+      if (exception instanceof NotAllowedChangeSubscriptionPlan) {
         errorReasons.push({
           type: 'NOT.ALLOWED.RENEW.SUBSCRIPTION.WHILE.ACTIVE',
           code: 120,
@@ -117,6 +83,16 @@ export default class PaymentViaLicenseController extends PaymentMethodController
       if (errorReasons.length > 0) {
         return res.status(400).send({ errors: errorReasons });
       }
+      if (exception instanceof PaymentInputInvalid) {
+        return res.status(400).send({
+          errors: [{ type: 'LICENSE.CODE.IS.INVALID', code: 120 }],
+        });
+      }
+      if (exception instanceof PaymentAmountInvalidWithPlan) {
+        return res.status(400).send({
+          errors: [{ type: 'LICENSE.NOT.FOR.GIVEN.PLAN' }],
+        });
+      }
       next(exception);
     }
   }
diff --git a/server/src/models/AccountTransaction.js b/server/src/models/AccountTransaction.js
index ed599bf8b..8150a7b2a 100644
--- a/server/src/models/AccountTransaction.js
+++ b/server/src/models/AccountTransaction.js
@@ -32,6 +32,11 @@ export default class AccountTransaction extends mixin(TenantModel, [CachableMode
    */
   static get modifiers() {
     return {
+      /**
+       * Filters accounts by the given ids.
+       * @param {Query} query 
+       * @param {number[]} accountsIds 
+       */
       filterAccounts(query, accountsIds) {
         if (accountsIds.length > 0) {
           query.whereIn('account_id', accountsIds);
diff --git a/server/src/services/Authentication/index.ts b/server/src/services/Authentication/index.ts
index ae94d3f11..66198c4a8 100644
--- a/server/src/services/Authentication/index.ts
+++ b/server/src/services/Authentication/index.ts
@@ -203,7 +203,7 @@ export default class AuthenticationService {
 
     // Delete all stored tokens of reset password that associate to the give email.
     this.logger.info('[send_reset_password] trying to delete all tokens by email.');
-    await PasswordReset.query().where('email', email).delete();
+    this.deletePasswordResetToken(email);
 
     const token = uniqid();
 
@@ -230,28 +230,44 @@ export default class AuthenticationService {
       this.logger.info('[reset_password] token invalid.');
       throw new ServiceError('token_invalid');
     }
+    // Different between tokne creation datetime and current time.
+    if (moment().diff(tokenModel.createdAt, 'seconds') > config.resetPasswordSeconds) {
+      this.logger.info('[reset_password] token expired.');
+
+      // Deletes the expired token by expired token email.
+      await this.deletePasswordResetToken(tokenModel.email);
+      throw new ServiceError('token_expired');
+    }
     const user = await SystemUser.query().findOne('email', tokenModel.email)
 
     if (!user) {
       throw new ServiceError('user_not_found');
     }
     const hashedPassword = await hashPassword(password);
-
+    
     this.logger.info('[reset_password] saving a new hashed password.');
     await SystemUser.query()
       .where('email', tokenModel.email)
-      .update({
-        password: hashedPassword,
-      });
-    // Delete the reset password token.
-    await PasswordReset.query().where('email', user.email).delete();
+      .update({ password: hashedPassword });
+    
+    // Deletes the used token.
+    await this.deletePasswordResetToken(tokenModel.email);
 
     // Triggers `onResetPassword` event.
     this.eventDispatcher.dispatch(events.auth.resetPassword, { user, token, password });
-
     this.logger.info('[reset_password] reset password success.');
   }
 
+  /**
+   * Deletes the password reset token by the given email.
+   * @param  {string} email  
+   * @returns {Promise}
+   */
+  private async deletePasswordResetToken(email: string) {
+    this.logger.info('[reset_password] trying to delete all tokens by email.');
+    return PasswordReset.query().where('email', email).delete();
+  }
+
   /**
    * Generates JWT token for the given user.
    * @param {ISystemUser} user 
diff --git a/server/src/services/InviteUsers/index.ts b/server/src/services/InviteUsers/index.ts
index ce922cc99..6e1f61939 100644
--- a/server/src/services/InviteUsers/index.ts
+++ b/server/src/services/InviteUsers/index.ts
@@ -5,7 +5,7 @@ import {
   EventDispatcher,
   EventDispatcherInterface,
 } from '@/decorators/eventDispatcher';
-import { ServiceError, ServiceErrors } from "@/exceptions";
+import { ServiceError } from "@/exceptions";
 import { SystemUser, Invite, Tenant } from "@/system/models";
 import { Option } from '@/models';
 import { hashPassword } from '@/utils';
@@ -49,8 +49,6 @@ export default class InviteUserService {
     this.logger.info('[aceept_invite] trying to hash the user password.');
     const hashedPassword = await hashPassword(inviteUserInput.password);
 
-    console.log(inviteToken);
-
     this.logger.info('[accept_invite] trying to update user details.');
     const updateUserOper = SystemUser.query()
       .where('email', inviteToken.email)
@@ -60,7 +58,7 @@ export default class InviteUserService {
         invite_accepted_at: moment().format('YYYY-MM-DD'),
         password: hashedPassword,
       });
-     
+
     this.logger.info('[accept_invite] trying to delete the given token.');
     const deleteInviteTokenOper = Invite.query().where('token', inviteToken.token).delete();
 
diff --git a/server/src/services/Payment/License.ts b/server/src/services/Payment/License.ts
index 253e19223..c2530b8dd 100644
--- a/server/src/services/Payment/License.ts
+++ b/server/src/services/Payment/License.ts
@@ -42,7 +42,6 @@ export default class LicenseService {
     });
   }
 
-
   /**
    * 
    * @param {number} loop 
@@ -52,7 +51,7 @@ export default class LicenseService {
    */
   async generateLicenses(
     loop = 1,
-    licensePeriod: numner,
+    licensePeriod: number,
     periodInterval: string = 'days',
     planId: number,
   ) {
@@ -67,7 +66,7 @@ export default class LicenseService {
 
   /**
    * Disables the given license id on the storage.
-   * @param {number} licenseId 
+   * @param  {number} licenseId 
    * @return {Promise}
    */
   async disableLicense(licenseId: number) {
diff --git a/server/src/services/Payment/LicensePaymentMethod.ts b/server/src/services/Payment/LicensePaymentMethod.ts
index 170540ea0..101156a53 100644
--- a/server/src/services/Payment/LicensePaymentMethod.ts
+++ b/server/src/services/Payment/LicensePaymentMethod.ts
@@ -1,14 +1,47 @@
 import { License } from "@/system/models";
 import PaymentMethod from '@/services/Payment/PaymentMethod';
+import { Plan } from '@/system/models';
 import { IPaymentMethod, ILicensePaymentModel } from '@/interfaces';
+import { ILicensePaymentModel } from "@/interfaces";
+import { PaymentInputInvalid, PaymentAmountInvalidWithPlan } from '@/exceptions';
 
-export default class VocuherPaymentMethod extends PaymentMethod implements IPaymentMethod {
+export default class LicensePaymentMethod extends PaymentMethod implements IPaymentMethod {
   /**
    * Payment subscription of organization via license code.
-   * @param {ILicensePaymentModel}
+   * @param {ILicensePaymentModel} licensePaymentModel -
    */
-  async payment(licensePaymentModel: ILicensePaymentModel) {
+  async payment(licensePaymentModel: ILicensePaymentModel, plan: Plan) {
+    const license = await this.getLicenseOrThrowInvalid(licensePaymentModel);
+    this.validatePaymentAmountWithPlan(license, plan);
+
     // Mark the license code as used.
     return License.markLicenseAsUsed(licensePaymentModel.licenseCode);
   }
+
+  /**
+   * Validates the license code activation on the storage.
+   * @param {ILicensePaymentModel} licensePaymentModel -
+   */
+  async getLicenseOrThrowInvalid(licensePaymentModel: ILicensePaymentModel) {
+    const foundLicense = await License.query()
+      .modify('filterActiveLicense')
+      .where('license_code', licensePaymentModel.licenseCode)
+      .first();
+
+    if (!foundLicense) {
+      throw new PaymentInputInvalid();
+    }
+    return foundLicense;
+  }
+
+  /**
+   * Validates the payment amount with given plan price.
+   * @param {License} license 
+   * @param {Plan} plan 
+   */
+  validatePaymentAmountWithPlan(license: License, plan: Plan) {
+    if (license.planId !== plan.id) {
+      throw new PaymentAmountInvalidWithPlan();
+    }
+  }
 }
\ No newline at end of file
diff --git a/server/src/services/Payment/index.ts b/server/src/services/Payment/index.ts
index 6e72f3992..e963748ed 100644
--- a/server/src/services/Payment/index.ts
+++ b/server/src/services/Payment/index.ts
@@ -1,4 +1,5 @@
 import { IPaymentMethod, IPaymentContext } from "@/interfaces";
+import { Plan } from '@/system/models';
 
 export default class PaymentContext<PaymentModel> implements IPaymentContext{
   paymentMethod: IPaymentMethod;
@@ -15,7 +16,7 @@ export default class PaymentContext<PaymentModel> implements IPaymentContext{
    * 
    * @param {<PaymentModel>} paymentModel 
    */
-  makePayment(paymentModel: PaymentModel) {
-    this.paymentMethod.makePayment(paymentModel);
+  makePayment(paymentModel: PaymentModel, plan: Plan) {
+    return this.paymentMethod.payment(paymentModel, plan);
   }
 }
\ No newline at end of file
diff --git a/server/src/services/Subscription/Subscription.ts b/server/src/services/Subscription/Subscription.ts
index 8949667d6..2454d76fd 100644
--- a/server/src/services/Subscription/Subscription.ts
+++ b/server/src/services/Subscription/Subscription.ts
@@ -1,7 +1,8 @@
-import { Inject } from 'typedi';
+import { Inject, Service } from 'typedi';
 import { Tenant, Plan } from '@/system/models';
 import { IPaymentContext } from '@/interfaces';
 import { NotAllowedChangeSubscriptionPlan } from '@/exceptions';
+import { NoPaymentModelWithPricedPlan } from '@/exceptions';
 
 export default class Subscription<PaymentModel> {
   paymentContext: IPaymentContext|null;
@@ -19,7 +20,7 @@ export default class Subscription<PaymentModel> {
 
   /**
    * Subscripe to the given plan.
-   * @param {Plan} plan 
+   * @param  {Plan} plan 
    * @throws {NotAllowedChangeSubscriptionPlan}
    */
   async subscribe(
@@ -28,8 +29,11 @@ export default class Subscription<PaymentModel> {
     paymentModel?: PaymentModel,
     subscriptionSlug: string = 'main',
   ) {
-    if (plan.price < 0) {
-      await this.paymentContext.makePayment(paymentModel);
+    this.validateIfPlanHasPriceNoPayment(plan, paymentModel);
+
+    // @todo
+    if (plan.price > 0) {
+      await this.paymentContext.makePayment(paymentModel, plan);
     }
     const subscription = await tenant.$relatedQuery('subscriptions')
       .modify('subscriptionBySlug', subscriptionSlug)
@@ -39,8 +43,7 @@ export default class Subscription<PaymentModel> {
     if (subscription && subscription.active()) {
       throw new NotAllowedChangeSubscriptionPlan;
 
-    // In case there is already subscription associated to the given tenant.
-    // renew it.
+    // In case there is already subscription associated to the given tenant renew it.
     } else if(subscription && subscription.inactive()) {
       await subscription.renew(plan);
 
@@ -49,4 +52,15 @@ export default class Subscription<PaymentModel> {
       await tenant.newSubscription(subscriptionSlug, plan);
     }        
   }
+
+  /**
+   * Throw error in plan has price and no payment model.
+   * @param {Plan} plan -
+   * @param {PaymentModel} paymentModel - payment input.
+   */
+  validateIfPlanHasPriceNoPayment(plan: Plan, paymentModel: PaymentMode) {
+    if (plan.price > 0 && !paymentModel) {
+      throw new NoPaymentModelWithPricedPlan();
+    }
+  }
 }
\ No newline at end of file
diff --git a/server/src/services/Subscription/SubscriptionService.ts b/server/src/services/Subscription/SubscriptionService.ts
index 7b6b0a282..a300f2506 100644
--- a/server/src/services/Subscription/SubscriptionService.ts
+++ b/server/src/services/Subscription/SubscriptionService.ts
@@ -1,10 +1,11 @@
 import { Service, Inject } from 'typedi';
-import { Plan, Tenant, License } from '@/system/models';
+import { Plan, Tenant } from '@/system/models';
 import Subscription from '@/services/Subscription/Subscription';
-import VocuherPaymentMethod from '@/services/Payment/LicensePaymentMethod';
+import LicensePaymentMethod from '@/services/Payment/LicensePaymentMethod';
 import PaymentContext from '@/services/Payment';
 import SubscriptionSMSMessages from '@/services/Subscription/SMSMessages';
 import SubscriptionMailMessages from '@/services/Subscription/MailMessages';
+import { ILicensePaymentModel } from '@/interfaces';
 
 @Service()
 export default class SubscriptionService {
@@ -14,31 +15,37 @@ export default class SubscriptionService {
   @Inject()
   mailMessages: SubscriptionMailMessages;
 
+  @Inject('logger')
+  logger: any;
+
   /**
    * Handles the payment process via license code and than subscribe to 
    * the given tenant.
-   * 
    * @param {number} tenantId 
    * @param {String} planSlug 
    * @param {string} licenseCode 
-   * 
    * @return {Promise}
    */
   async subscriptionViaLicense(
     tenantId: number,
     planSlug: string,
-    licenseCode: string,
+    paymentModel?: ILicensePaymentModel,
     subscriptionSlug: string = 'main',
   ) {
+    this.logger.info('[subscription_via_license] try to subscribe via given license.', {
+      tenantId, paymentModel
+    });
     const plan = await Plan.query().findOne('slug', planSlug);
     const tenant = await Tenant.query().findById(tenantId);
-    const licenseModel = await License.query().findOne('license_code', licenseCode);
 
-    const paymentViaLicense = new VocuherPaymentMethod();
+    const paymentViaLicense = new LicensePaymentMethod();
     const paymentContext = new PaymentContext(paymentViaLicense);
 
     const subscription = new Subscription(paymentContext);
 
-    return subscription.subscribe(tenant, plan, licenseModel, subscriptionSlug);
+    await subscription.subscribe(tenant, plan, paymentModel, subscriptionSlug);
+    this.logger.info('[subscription_via_license] payment via license done successfully.', {
+      tenantId, paymentModel
+    }); 
   }
 }
\ No newline at end of file
diff --git a/server/src/system/migrations/20200422225247_create_user_invites_table.js b/server/src/system/migrations/20200422225247_create_user_invites_table.js
index 59caaa32b..21f1e7fa6 100644
--- a/server/src/system/migrations/20200422225247_create_user_invites_table.js
+++ b/server/src/system/migrations/20200422225247_create_user_invites_table.js
@@ -5,7 +5,7 @@ exports.up = function(knex) {
     table.string('email');
     table.string('token').unique();
     table.integer('tenant_id').unsigned();
-    table.timestamps();
+    table.datetime('created_at');
   });
 };
 
diff --git a/server/src/system/models/Invite.js b/server/src/system/models/Invite.js
index 243e3e2f2..daaa91ab7 100644
--- a/server/src/system/models/Invite.js
+++ b/server/src/system/models/Invite.js
@@ -7,4 +7,11 @@ export default class UserInvite extends SystemModel {
   static get tableName() {
     return 'user_invites';
   }
+
+  /**
+   * Timestamps columns.
+   */
+  get timestamps() {
+    return ['createdAt'];
+  }
 }
diff --git a/server/src/system/models/PasswordReset.js b/server/src/system/models/PasswordReset.js
index d5a52ffa0..b72b0aeef 100644
--- a/server/src/system/models/PasswordReset.js
+++ b/server/src/system/models/PasswordReset.js
@@ -7,4 +7,11 @@ export default class PasswordResets extends SystemModel {
   static get tableName() {
     return 'password_resets';
   }
+
+  /**
+   * Timestamps columns.
+   */
+  get timestamps() {
+    return ['createdAt'];
+  }
 }
diff --git a/server/src/system/models/Subscriptions/Plan.js b/server/src/system/models/Subscriptions/Plan.js
index 9d707b0b8..5842c1408 100644
--- a/server/src/system/models/Subscriptions/Plan.js
+++ b/server/src/system/models/Subscriptions/Plan.js
@@ -13,7 +13,7 @@ export default class Plan extends mixin(SystemModel) {
   /**
    * Timestamps columns.
    */
-  static get timestamps() {
+  get timestamps() {
     return ['createdAt', 'updatedAt'];
   }
 
diff --git a/server/src/system/models/Subscriptions/PlanSubscription.js b/server/src/system/models/Subscriptions/PlanSubscription.js
index 18946a585..638826e74 100644
--- a/server/src/system/models/Subscriptions/PlanSubscription.js
+++ b/server/src/system/models/Subscriptions/PlanSubscription.js
@@ -14,7 +14,7 @@ export default class PlanSubscription extends mixin(SystemModel) {
   /**
    * Timestamps columns.
    */
-  static get timestamps() {
+  get timestamps() {
     return ['createdAt', 'updatedAt'];
   }
 
diff --git a/server/src/system/models/SystemUser.js b/server/src/system/models/SystemUser.js
index 1857aed98..2fec496b4 100644
--- a/server/src/system/models/SystemUser.js
+++ b/server/src/system/models/SystemUser.js
@@ -14,7 +14,7 @@ export default class SystemUser extends mixin(SystemModel) {
   /**
    * Timestamps columns.
    */
-  static get timestamps() {
+  get timestamps() {
     return ['createdAt', 'updatedAt'];
   }
 
diff --git a/server/src/system/models/Tenant.js b/server/src/system/models/Tenant.js
index 3a248e23b..0d17eac63 100644
--- a/server/src/system/models/Tenant.js
+++ b/server/src/system/models/Tenant.js
@@ -10,6 +10,13 @@ export default class Tenant extends BaseModel {
     return 'tenants';
   }
 
+  /**
+   * Timestamps columns.
+   */
+  get timestamps() {
+    return ['createdAt', 'updatedAt'];
+  }
+
   /**
    * Query modifiers.
    */