Worked on the idaholab/moose repository to update the Thermochimica submodule, ensuring alignment with the latest Thermochimica library for improved thermochemistry support. Focused on maintaining dependency hygiene and reproducibility, the update involved pinning the submodule revision to enable stable builds and facilitate future upgrades without introducing breaking changes. Validated the build and test suite post-update to confirm compatibility and stability across the codebase. Utilized Git for version control and CMake for build management, with a focus on C++ integration. This work prepared the project for upcoming thermochemistry features by ensuring a robust and maintainable dependency management process.