Worked on the panther-labs/panther-analysis repository, focusing on a comprehensive dependency upgrade sprint to enhance stability, security, and compatibility. Upgraded the panther-analysis-tool to version 0.55.1 and refreshed key dependencies, including boto3, botocore, s3transfer, and semver, ensuring all updates were reflected in Pipfile.lock for reproducible builds. This maintenance-driven approach prioritized preventive risk reduction and alignment with AWS SDKs, laying a stronger foundation for future development. Leveraged skills in Python, dependency management, and Python packaging to improve the project’s security posture and reliability, with all changes tracked for traceability. No critical bugs were addressed during this period.