Developed and implemented a security hardening feature for the Kaggle/kaggle-environments repository, introducing a minimum release age gate for pnpm package installations. This approach required that packages be published for at least three days before installation, thereby reducing exposure to potentially compromised or unvetted new releases. The solution was delivered as a focused configuration management update, aligning with Kaggle’s broader supply chain security policies and enhancing dependency integrity without disrupting established workflows. Leveraging skills in DevOps, security best practices, and configuration management, the work utilized JSON and YAML to enforce policy compliance and improve trust in the package installation process.