The current version of acme.sh is 3.1.6 (as of 20/09/2026). patchletter checks the official source daily and emails you new releases.
acme.sh at a glance
acme.sh is a popular, dependency-light shell client for obtaining and renewing free ACME (Let's Encrypt and other CA) TLS certificates, widely used to automate HTTPS. acme.sh ships regular releases plus fixes; keeping it current maintains compatibility with ACME services and picks up security fixes.
For admins acme.sh usually runs as an automated renewal task. The main risks are operational: a broken or lapsed renewal means expired certificates and outage, so monitor and test renewals. Keep acme.sh current so it stays compatible with ACME protocol and CA API changes. Because it can install certificates and reload services, and stores account keys and DNS-API credentials for DNS-01 validation, protect its configuration and those secrets. After updates, verify a renewal succeeds and services pick up the new certificate. It can self-upgrade. Alternatives include Certbot and built-in ACME in Caddy/Traefik; keep whichever you use current. Patchletter surfaces new acme.sh releases.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 3.1.6 | STABLE | 20/09/2026 | Release notes → |
| 3.1.4 | STABLE | 17/07/2026 | Release notes → |
| 3.1.3 | STABLE | 28/04/2026 | Release notes → |
| 3.1.2 | STABLE | 29/11/2025 | Release notes → |
| 3.1.1 | STABLE | 23/04/2025 | Release notes → |
| 3.1.0 | STABLE | 23/11/2024 | Release notes → |
| 3.0.9 | STABLE | 23/09/2024 | Release notes → |
| 3.0.8 | STABLE | 15/09/2024 | Release notes → |
| 3.0.7 | STABLE | 06/10/2023 | Release notes → |
| 3.0.6 | STABLE | 09/06/2023 | Release notes → |
| 3.0.5 | STABLE | 23/11/2022 | Release notes → |
| 3.0.4 | STABLE | 06/05/2022 | Release notes → |
| 3.0.3 | STABLE | 04/05/2022 | Release notes → |
| 3.0.2 | STABLE | 04/02/2022 | Release notes → |
| 3.0.1 | STABLE | 03/10/2021 | Release notes → |
| 3.0.0 | STABLE | 01/08/2021 | Release notes → |
| 2.9.0 | STABLE | 02/06/2021 | Release notes → |
| 2.8.9 | STABLE | 03/05/2021 | Release notes → |
| 2.8.8 | STABLE | 01/12/2020 | Release notes → |
| 2.8.7 | STABLE | 27/08/2020 | Release notes → |
| 2.8.6 | STABLE | 04/05/2020 | Release notes → |
| 2.8.5 | STABLE | 15/01/2020 | Release notes → |
| 2.8.4 | STABLE | 14/01/2020 | Release notes → |
| 2.8.3 | STABLE | 28/09/2019 | Release notes → |
| 2.8.2 | STABLE | 11/08/2019 | Release notes → |
| 2.8.1 | STABLE | 29/04/2019 | Release notes → |
| 2.8.0 | STABLE | 25/01/2019 | Release notes → |
| 2.7.9 | STABLE | 17/07/2018 | Release notes → |
| 2.7.8 | STABLE | 29/03/2018 | Release notes → |
| 2.7.7 | STABLE | 14/03/2018 | Release notes → |
| 2.7.6 | STABLE | 10/02/2018 | Release notes → |
| 2.7.5 | STABLE | 03/12/2017 | Release notes → |
| 2.7.4 | STABLE | 02/09/2017 | Release notes → |
| 2.7.3 | STABLE | 30/08/2017 | Release notes → |
| 2.7.2 | STABLE | 20/06/2017 | Release notes → |
| 2.7.1 | STABLE | 16/06/2017 | Release notes → |
| 2.6.9 | STABLE | 10/05/2017 | Release notes → |
| 2.6.8 | STABLE | 11/04/2017 | Release notes → |
| 2.6.6 | STABLE | 15/02/2017 | Release notes → |
| 2.6.5 | STABLE | 16/01/2017 | Release notes → |
| 2.6.4 | STABLE | 12/11/2016 | Release notes → |
| 2.6.0 | STABLE | 21/10/2016 | Release notes → |
| 2.5.2 | STABLE | 18/09/2016 | Release notes → |
| 2.3.0 | STABLE | 02/07/2016 | Release notes → |
| 2.2.9 | STABLE | 30/06/2016 | Release notes → |
| 2.0.2 | STABLE | 14/04/2016 | Release notes → |
| 1.2.3 | STABLE | 09/04/2016 | Release notes → |
| 1.2.2 | STABLE | 06/04/2016 | Release notes → |
Frequently asked questions
- What is the latest version of acme.sh?
- acme.sh 3.1.6, released 20/09/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the acme.sh release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new acme.sh updates?
- Tick acme.sh off in the catalogue and leave your address. From then on new versions go out by email — one at a time, or bundled in the daily or weekly digest.
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