# GitLab: Major incident: Docker API version mismatch resulting in blocked deployments **Summary:** _summary pending_ - Kind: Major incident · Label: outage (model (Jev)) - Changed: 2025-11-11 14:08 UTC · Detected: 2026-10-18 05:08 UTC - [Source: https://status.gitlab.com/pages/incident/5b36dc6502d06804c08349f7/6913437876169705d96b0c2c](https://status.gitlab.com/pages/incident/5b36dc6502d06804c08349f7/6913437876169705d96b0c2c) - [Company: GitLab](https://rewindex.com/company/gitlab.md) - Versions: before (none: first archived) → after incident\_version:188/6913437876169705d96b0c2c@d7c9a561cba6 - Change 1 of 1 for this incident Incident page (full timeline): [Docker API version mismatch resulting in blocked deployments](https://rewindex.com/company/gitlab/incidents/6913437876169705d96b0c2c.md) ## What changed **1. Added: Title** ```diff + Docker API version mismatch resulting in blocked deployments ``` **2. Added: Impact** ```diff + major ``` **3. Added: Status** ```diff + resolved ``` **4. Added: Start time** ```diff + 2025-11-11 14:08 UTC ``` **5. Added: Resolved time** ```diff + 2025-11-12 16:05 UTC ``` **6. Added: Affected components** ```diff + CI/CD, Website ``` **7. Added: Update** (investigating) · 2025-11-11 14:08 UTC ```diff + 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 ``` **8. Added: Update** (investigating) · 2025-11-11 14:26 UTC ```diff + 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 ``` **9. Added: Update** (investigating) · 2025-11-11 14:38 UTC ```diff + 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 ``` **10. Added: Update** (investigating) · 2025-11-11 15:03 UTC ```diff + 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 ``` **11. Added: Update** (investigating) · 2025-11-11 15:23 UTC ```diff + 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 ``` **12. Added: Update** (investigating) · 2025-11-11 15:38 UTC ```diff + 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 ``` **13. Added: Update** (investigating) · 2025-11-11 16:04 UTC ```diff + 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 ``` **14. Added: Update** (investigating) · 2025-11-11 16:22 UTC ```diff + 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 ``` **15. Added: Update** (investigating) · 2025-11-11 16:42 UTC ```diff + 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 ``` **16. Added: Update** (investigating) · 2025-11-11 17:03 UTC ```diff + 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 ``` **17. Added: Update** (investigating) · 2025-11-11 17:25 UTC ```diff + 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 ``` **18. Added: Update** (investigating) · 2025-11-11 18:30 UTC ```diff + 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 ``` **19. Added: Update** (investigating) · 2025-11-11 18:59 UTC ```diff + 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 ``` **20. Added: Update** (investigating) · 2025-11-11 19:14 UTC ```diff + 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 ``` **21. Added: Update** (investigating) · 2025-11-11 19:47 UTC ```diff + 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 ``` **22. Added: Update** (investigating) · 2025-11-11 20:13 UTC ```diff + 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 ``` **23. Added: Update** (identified) · 2025-11-11 20:27 UTC ```diff + 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 ``` **24. Added: Update** (identified) · 2025-11-11 21:41 UTC ```diff + 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 ``` **25. Added: Update** (resolved) · 2025-11-12 16:05 UTC ```diff + 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. ``` ## History of this incident | When (UTC) | Change | Label | | --- | --- | --- | | 2025-11-11 14:08 UTC | Major incident: Docker API version mismatch resulting in blocked deployments (this change) | outage | All GitLab changes: [timeline](https://rewindex.com/company/gitlab/changes.md) _Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._ --- Canonical: https://rewindex.com/change/idf40f38e430812 · Markdown: https://rewindex.com/change/idf40f38e430812.md · JSON: https://rewindex.com/api/v1/changes/idf40f38e430812 · Generated 2026-10-18T11:25:17.725Z