The CA/Browser Forum has voted to significantly reduce the lifespan of SSL/TLS certificates over the next 4 years, with a final lifespan of just 47 days starting in 2029.

To prepare for the quantum era, organizations are urged to employ strategies that can future-proof sensitive data against unauthorized breaches.

March 15, 2026: Maximum TLS certificate lifespan shrinks to 200 days. This accommodates a six-month renewal cadence. The Domain Control Validation (DCV) reuse period reduces to 200 days.