diff --git a/apps/api/src/app/user/user.service.ts b/apps/api/src/app/user/user.service.ts
index 9d51c6d2f..6676a00b6 100644
--- a/apps/api/src/app/user/user.service.ts
+++ b/apps/api/src/app/user/user.service.ts
@@ -38,11 +38,10 @@ import { UserWithSettings } from '@ghostfolio/common/types';
 import { Injectable } from '@nestjs/common';
 import { EventEmitter2 } from '@nestjs/event-emitter';
 import { Prisma, Role, User } from '@prisma/client';
+import { createHmac } from 'crypto';
 import { differenceInDays, subDays } from 'date-fns';
 import { sortBy, without } from 'lodash';
 
-const crypto = require('crypto');
-
 @Injectable()
 export class UserService {
   private i18nService = new I18nService();
@@ -62,7 +61,7 @@ export class UserService {
   }
 
   public createAccessToken(password: string, salt: string): string {
-    const hash = crypto.createHmac('sha512', salt);
+    const hash = createHmac('sha512', salt);
     hash.update(password);
 
     return hash.digest('hex');
diff --git a/apps/api/src/helper/string.helper.ts b/apps/api/src/helper/string.helper.ts
index 294f1f1a1..38bac79f1 100644
--- a/apps/api/src/helper/string.helper.ts
+++ b/apps/api/src/helper/string.helper.ts
@@ -1,7 +1,7 @@
-const crypto = require('crypto');
+import { randomBytes } from 'crypto';
 
 export function getRandomString(length: number) {
-  const bytes = crypto.randomBytes(length);
+  const bytes = randomBytes(length);
   const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
   const result = [];
 
diff --git a/apps/api/src/services/api-key/api-key.service.ts b/apps/api/src/services/api-key/api-key.service.ts
index 6a80665f7..2c9211fb7 100644
--- a/apps/api/src/services/api-key/api-key.service.ts
+++ b/apps/api/src/services/api-key/api-key.service.ts
@@ -3,7 +3,7 @@ import { PrismaService } from '@ghostfolio/api/services/prisma/prisma.service';
 import { ApiKeyResponse } from '@ghostfolio/common/interfaces';
 
 import { Injectable } from '@nestjs/common';
-import * as crypto from 'crypto';
+import { pbkdf2Sync } from 'crypto';
 
 @Injectable()
 export class ApiKeyService {
@@ -41,9 +41,13 @@ export class ApiKeyService {
   }
 
   public hashApiKey(apiKey: string): string {
-    return crypto
-      .pbkdf2Sync(apiKey, '', this.iterations, this.keyLength, this.algorithm)
-      .toString('hex');
+    return pbkdf2Sync(
+      apiKey,
+      '',
+      this.iterations,
+      this.keyLength,
+      this.algorithm
+    ).toString('hex');
   }
 
   private generateApiKey(): string {