Google Container-Optimized OS (COS) end of life dates

The next Google Container-Optimized OS (COS) release to reach end of life is cos-121, on 1 Mar 2027 (in 146 days). After that date it gets no more security fixes.

Release	End of life	Status	Latest version
cos-133	1 Nov 2028	Supported	cos-133-19999-44-85
cos-129	1 Jul 2028	Supported	cos-129-19506-505-8
cos-125	1 Feb 2028	Supported	cos-125-19216-700-7
cos-121	1 Mar 2027 · in 146 days	Ending soon	cos-121-18867-624-2
cos-117	1 Sept 2026 · 35 days ago	End of life	cos-117-18613-767-2
cos-113	1 Mar 2026 · 219 days ago	End of life	cos-113-18244-582-104
cos-109	1 Sept 2025	End of life	cos-109-17800-570-50
cos-105	1 Mar 2025	End of life	cos-105-17412-535-98
cos-101	1 Oct 2024	End of life	cos-101-17162-528-64
cos-97	1 Apr 2024	End of life	cos-97-16919-450-41
cos-93	1 Oct 2023	End of life	cos-93-16623-461-42
cos-89	1 Mar 2023	End of life	cos-89-16108-798-22
cos-85	1 Sept 2022	End of life	cos-85-13310-1498-13
cos-81	10 Jan 2022	End of life	cos-81-12871-1317-8
cos-77	1 Apr 2021	End of life	cos-77-12371-1109-0
cos-73	1 Jun 2020	End of life	cos-73-11647-656-0
cos-69	1 Dec 2019	End of life	cos-69-10895-385-0

Data from endoflife.date, refreshed daily (last 6 Oct 2026).

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