22/04/2025
SSL Certificates will be 47 days validity by 2029
As of Apr 11, 2025 CA/Browser forum voted to move current 398 days maximum certificate validity to 47 days maximum certificate validity by March 15, 2029
SSL/TLS Certificate Validity Periods Drop to 47 Days By 2029
- March 15, 2026: The validity period for certificates issued on/after this date will be a maximum of 200 days.
- March 15, 2027: The maximum validity for certificates issued on/after this date will be reduced to 100 days.
- March 15, 2029: Certificates issued on or after this date will have a maximum validity of no more than 47 days (or, what basically equates to 1.5 months).
Subject Data Validation Data Reuse Drops to 13 Months Starting in 2026
The current 825-day validity data reuse period will be reduced to 398 days for all organization validation (OV) and extended validation (EV) SSL/TLS certificates issued on or after March 15, 2026.
Domain Validation Data Reuse Periods Drop to 10 Days By 2029
- March 15, 2026: The maximum reuse period for domain validation data will drop to 200 days.
- March 15, 2027: The SAN-related validation data reuse period will be reduced to 100 days.
- March 15, 2029: On or after this date, domain validation data will only be reusable for up to 10 days.