This is the first release of the new `ghcr.io/zulip/zulip-server`; it contains [Zulip Server 11.5](https://blog.zulip.com/2026/02/05/zulip-sever-11-5-security-release/). ```console docker pull ghcr.io/zulip/zulip-server:11.5-0 ``` See the [upgrade documentation](https://zulip.readthedocs.io/projects/docker/en/latest/how-to/compose-upgrading.html#upgrading-from-zulip-docker-zulip-11-x-and-earlier) for upgrade steps from [`zulip/docker-zulip`](https://hub.docker.com/r/zulip/docker-zulip).