diff --git a/backend/src/config/index.ts b/backend/src/config/index.ts
index 2a99fd3c0..4e6dd8099 100644
--- a/backend/src/config/index.ts
+++ b/backend/src/config/index.ts
@@ -10,7 +10,7 @@ Decimal.set({
 })
 
 const constants = {
-  DB_VERSION: '0039-contributions_table',
+  DB_VERSION: '0040-add_contribution_link_id_to_user',
   DECAY_START_TIME: new Date('2021-05-13 17:46:31-0000'), // GMT+0
   LOG4JS_CONFIG: 'log4js-config.json',
   // default log level on production should be info
diff --git a/database/entity/0040-add_contribution_link_id_to_user/User.ts b/database/entity/0040-add_contribution_link_id_to_user/User.ts
new file mode 100644
index 000000000..9bf76e5f5
--- /dev/null
+++ b/database/entity/0040-add_contribution_link_id_to_user/User.ts
@@ -0,0 +1,79 @@
+import { BaseEntity, Entity, PrimaryGeneratedColumn, Column, DeleteDateColumn } from 'typeorm'
+
+@Entity('users', { engine: 'InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci' })
+export class User extends BaseEntity {
+  @PrimaryGeneratedColumn('increment', { unsigned: true })
+  id: number
+
+  @Column({ name: 'public_key', type: 'binary', length: 32, default: null, nullable: true })
+  pubKey: Buffer
+
+  @Column({ name: 'privkey', type: 'binary', length: 80, default: null, nullable: true })
+  privKey: Buffer
+
+  @Column({ length: 255, unique: true, nullable: false, collation: 'utf8mb4_unicode_ci' })
+  email: string
+
+  @Column({
+    name: 'first_name',
+    length: 255,
+    nullable: true,
+    default: null,
+    collation: 'utf8mb4_unicode_ci',
+  })
+  firstName: string
+
+  @Column({
+    name: 'last_name',
+    length: 255,
+    nullable: true,
+    default: null,
+    collation: 'utf8mb4_unicode_ci',
+  })
+  lastName: string
+
+  @DeleteDateColumn()
+  deletedAt: Date | null
+
+  @Column({ type: 'bigint', default: 0, unsigned: true })
+  password: BigInt
+
+  @Column({ name: 'email_hash', type: 'binary', length: 32, default: null, nullable: true })
+  emailHash: Buffer
+
+  @Column({ name: 'created', default: () => 'CURRENT_TIMESTAMP', nullable: false })
+  createdAt: Date
+
+  @Column({ name: 'email_checked', type: 'bool', nullable: false, default: false })
+  emailChecked: boolean
+
+  @Column({ length: 4, default: 'de', collation: 'utf8mb4_unicode_ci', nullable: false })
+  language: string
+
+  @Column({ name: 'is_admin', type: 'datetime', nullable: true, default: null })
+  isAdmin: Date | null
+
+  @Column({ name: 'referrer_id', type: 'int', unsigned: true, nullable: true, default: null })
+  referrerId?: number | null
+
+  @Column({
+    name: 'contribution_link_id',
+    type: 'int',
+    unsigned: true,
+    nullable: true,
+    default: null,
+  })
+  contributionLinkId?: number | null
+
+  @Column({ name: 'publisher_id', default: 0 })
+  publisherId: number
+
+  @Column({
+    type: 'text',
+    name: 'passphrase',
+    collation: 'utf8mb4_unicode_ci',
+    nullable: true,
+    default: null,
+  })
+  passphrase: string
+}
diff --git a/database/entity/User.ts b/database/entity/User.ts
index 2d434799e..99b8c8ca9 100644
--- a/database/entity/User.ts
+++ b/database/entity/User.ts
@@ -1 +1 @@
-export { User } from './0037-drop_user_setting_table/User'
+export { User } from './0040-add_contribution_link_id_to_user/User'
diff --git a/database/migrations/0040-add_contribution_link_id_to_user.ts b/database/migrations/0040-add_contribution_link_id_to_user.ts
new file mode 100644
index 000000000..ebe7896df
--- /dev/null
+++ b/database/migrations/0040-add_contribution_link_id_to_user.ts
@@ -0,0 +1,14 @@
+/* MIGRATION TO ADD contribution_link_id FIELD TO users */
+
+/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
+/* eslint-disable @typescript-eslint/no-explicit-any */
+
+export async function upgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
+  await queryFn(
+    'ALTER TABLE `users` ADD COLUMN `contribution_link_id` int UNSIGNED DEFAULT NULL AFTER `referrer_id`;',
+  )
+}
+
+export async function downgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
+  await queryFn('ALTER TABLE `users` DROP COLUMN `contribution_link_id`;')
+}