after upgrade 60 times ./bcu upgrade -f version bcu_1.1.24-0-g8515a61 now version bcu_1.1.24-0-g8515a61 Segmentation fault (core dumped) This should be related to the GITHUB API rate limit. https://docs.github.com/en/rest/reference/rate-limit#get-rate-limit-status-for-the-authenticated-user--code-samples I think can add Authorization token when access API. or Use our bitbucket.