# Certificate is going to expire, ERR\_CERT\_DATE\_INVALID

**URL:** <https://pdfjs.community/t/certificate-is-going-to-expire-err-cert-date-invalid/3291>\
**Category:** Technical Support\
**Created:** [May 27, 2024, 7:12am UTC](https://pdfjs.community/t/certificate-is-going-to-expire-err-cert-date-invalid/3291 "2024-05-27T07:12:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![developers](https://avatars.discourse-cdn.com/v4/letter/d/aca169/32.png) [@developers](https://pdfjs.community/u/developers)\
**Post date:** [May 27, 2024, 7:12am UTC](https://pdfjs.community/t/certificate-is-going-to-expire-err-cert-date-invalid/3291/1 "2024-05-27T07:12:42Z")

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Hello,

Your certificate is going to expire in a few days.  
Have you planned to renew it?

Please make sure we do not have an incident like we did last year.  
([POST https://pi.pdfjs.express/events Error](https://pdfjs.community/t/post-https-pi-pdfjs-express-events-error/2793))

Many thanks

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<div class="post-metadata">

**Author:** ![kkim](https://avatars.discourse-cdn.com/v4/letter/k/3ab097/32.png) [@kkim](https://pdfjs.community/u/kkim)\
**Post date:** [May 28, 2024, 3:27pm UTC](https://pdfjs.community/t/certificate-is-going-to-expire-err-cert-date-invalid/3291/3 "2024-05-28T15:27:46Z")

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Hi there,

Thank you for contacting pdf.js express forums,

The certificate will still be valid.

Best regards,  
Kevin Kim