# Upgraded PCI DSS version 3\.2\.1 to 4\.0

**Published:** January 15, 2025 | **Authors:** Ty Sbano, Kacee Taylor, Aaron Brown

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We have completed our Self-Assessment Questionnaire Attestation of Compliance (SAQ-D AOC) for Service Providers under PCI DSS v4.0.

A copy of our PCI DSS compliance documentation can be obtained through our [Trust Center](https://security.vercel.com/). For additional information about our SAQ-D AOC report or Responsibility Matrix, please [contact us](https://vercel.com/contact/sales).

Learn how we support ecommerce customers who require [PCI compliance for payment processing](https://vercel.com/blog/pci-compliance-for-ecommerce-teams).

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📚 **More updates:** [View all changelog entries](/changelog/sitemap.md) | [Blog](/blog/sitemap.md)