During a two-month period, PyTorchUpdateBot focused on enhancing the reliability of the pytorch/pytorch repository’s continuous integration by implementing automated dependency pinning for Vision, Audio, and VLLM components. The work involved updating and locking specific dependency hashes in CI configurations, using skills in CI/CD, build management, and version pinning to ensure reproducible builds and reduce test flakiness. By automating nightly updates and aligning dependencies with tested revisions, PyTorchUpdateBot established a more stable build pipeline. The approach emphasized automation and observability, laying the groundwork for ongoing dependency management and improving the consistency of both CI and nightly build processes.