Outage in Semaphore
Some jobs may have issues authenticating with GitHub
Resolved MajorIncident Report
Summary AI Generated
Semaphore 2.0 experienced a 5.2-hour incident where some jobs failed to authenticate with GitHub, caused by an underlying GitHub-side outage. During the incident, users could work around the issue by regenerating their GitHub deploy key or adding the `--use-cache` flag to checkout commands. The incident was fully resolved once GitHub confirmed their services had recovered.
We are currently investigating this issue.
Components affected
Semaphore 2.0Trusted by 1,000+ teams
The Status Page Aggregator with Early Outage Detection
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
RESOLVED
2 days ago - at 07/21/2026 01:46PM
GitHub confirmed that the incident on their end has been resolved. You can review the GitHub update here:
https://www.githubstatus.com/incidents/g40zcbvchny4
MONITORING
2 days ago - at 07/21/2026 12:18PM
GitHub confirmed that the incident on their end has been resolved, and services should now be returning to normal.
We are continuing to monitor the situation. You can review the GitHub update here:
https://www.githubstatus.com/incidents/g40zcbvchny4
MONITORING
2 days ago - at 07/21/2026 10:53AM
We are continuing to monitor the situation, and you can follow the current GitHub incident at the following link:
https://www.githubstatus.com/incidents/g40zcbvchny4
MONITORING
2 days ago - at 07/21/2026 09:25AM
Our team is monitoring the situation. If you are affected, please regenerate your deploy key by following the instructions on this page: https://docs.semaphore.io/using-semaphore/connect-github#deploy-key
INVESTIGATING
2 days ago - at 07/21/2026 09:06AM
Our engineering team is still investigating and working on this issue, but as a current workaround, you can regenerate your GitHub deployment key.
You can find the instructions on how to do that here: https://docs.semaphore.io/using-semaphore/connect-github#deploy-key
INVESTIGATING
2 days ago - at 07/21/2026 08:49AM
As a workaround to get more consistent builds during this time, please try adding the --use-cache flag to your checkout command.
Read more about it here: https://docs.semaphore.io/reference/toolbox#cache-full-clone
INVESTIGATING
2 days ago - at 07/21/2026 08:36AM
We are currently investigating this issue.
Latest Semaphore outages
Delays in job processing - about 18 hours ago
Some features may currently be unresponsive - 6 days ago
Delays in job processing - 7 days ago
Elevated error rates - 29 days ago
Elevated Error Rates - about 1 month ago
The Status Page Aggregator with Early Outage Detection
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
