# Heroku Incident 2365 Follow-Up

- **期号**: SRE Weekly Issue #295（2021-11-07）
- **作者**: Heroku
- **链接**: https://status.heroku.com/incidents/2365

## 简介

Despite checking in advance to be sure their systems would support the new Let’s Encrypt certificate chain, they ran into trouble.

> […] we discovered that several HTTP client libraries our systems use were using their own vendored root certificates.

## 正文

Status