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GitLab: Docker API version mismatch resulting in blocked deployments

Affected components: CI/CDWebsite

Timeline of updates

1. investigating2025-11-11 14:08 UTC

   We're seeing errors with blocked deployments due to a mismatch in API versions of Docker. More information about the incident can be found here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

2. investigating2025-11-11 14:26 UTC

   We're continuing to investigate blocked deployments due to a mismatch in API versions of Docker. More information about the incident can be found here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

3. investigating2025-11-11 14:38 UTC

   We're still investigating blocked deployments due to a mismatch in API versions of Docker. More information about the incident can be found here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

4. investigating2025-11-11 15:03 UTC

   We're still investigating blocked deployments due to a mismatch in API versions of Docker. More information about the incident can be found here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

5. investigating2025-11-11 15:23 UTC

   We're still investigating blocked deployments due to a mismatch in API versions of Docker. More information about the incident can be found here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

6. investigating2025-11-11 15:38 UTC

   We're still investigating blocked deployments due to a mismatch in API versions of Docker. More information about the incident can be found here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

7. investigating2025-11-11 16:04 UTC

   We're still investigating blocked deployments due to a mismatch in API versions of Docker. More information about the incident can be found here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

8. investigating2025-11-11 16:22 UTC

   We’re continuing to investigate the blocked deployments, which appear to be caused by a mismatch in Docker API versions. More details are available here: gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

9. investigating2025-11-11 16:42 UTC

   Investigation is ongoing into deployment failures related to a Docker API version mismatch. Please see the incident issue for more information: gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

10. investigating2025-11-11 17:03 UTC

    Our team is still investigating deployment issues that appear linked to a mismatch between Docker API versions. Please see the incident issue for more information: gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

11. investigating2025-11-11 17:25 UTC

    We're still investigating blocked deployments due to a mismatch in API versions of Docker. More information about the incident can be found here: gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

12. investigating2025-11-11 18:30 UTC

    We're still investigating blocked deployments due to a mismatch in API versions of Docker. More information about the incident can be found here: gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

13. investigating2025-11-11 18:59 UTC

    Our team is still investigating deployment issues linked to a mismatch between Docker API versions. Please see the incident issue for more information: gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

14. investigating2025-11-11 19:14 UTC

    Investigation is ongoing into deployment failures related to a Docker API version mismatch. Please see the incident issue for more information: gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

15. investigating2025-11-11 19:47 UTC

    We're still investigating blocked deployments due to a mismatch in API versions of Docker. More information about the incident can be found here: gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

16. investigating2025-11-11 20:13 UTC

    Investigation is ongoing into blocked deployments caused by a mismatch in Docker API versions. More details can be found here: gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

17. identified2025-11-11 20:27 UTC

    We've identified that recent pipeline failures were caused by an update to the latest Docker (DinD) image. For workarounds and details, please see the production issue: gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

18. identified2025-11-11 21:41 UTC

    We've identified that the API mismatch is a result of the Docker v29 release, which requires API v1.44+ (Docker v25.0+). For workarounds and details, please see the production issue: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20827

19. resolved2025-11-12 16:05 UTC

    It was determined that no further corrective action is required from an engineering standpoint. As a result, we're resolving the incident in favor of the two workarounds mentioned in the production issue here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20827#note_2882208465.

Rewindex changes for this incident

• Major incident: Docker API version mismatch resulting in blocked deployments 2025-11-11 14:08 UTC

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