You have 2 commits incorrectly signed off. To fix, first ensure you have a local copy of your branch by [checking out the pull request locally via command line](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/checking-out-pull-requests-locally). Next, head to your local branch and run: ```bash git rebase HEAD~2 --signoff ``` Now your commits will have your sign off. Next run ```bash git push --force-with-lease origin more-card-features ``` Commit sha: [5648b91](https://github.com/wiktor-k/pysequoia/pull/9/commits/5648b91370e88114ae60bfd8ff09ddecb7f53f58), Author: Wiktor Kwapisiewicz, Committer: Wiktor Kwapisiewicz; The sign-off is missing. Commit sha: [e753b1a](https://github.com/wiktor-k/pysequoia/pull/9/commits/e753b1a91a1e826c2840c2c1e988749857719352), Author: Wiktor Kwapisiewicz, Committer: Wiktor Kwapisiewicz; The sign-off is missing.