Keeping a code base up to date is a cultural thing. Keep up to pace yourself. Suggest new features during code review. Encourage curiosity. Hire developers who

Keeping a code base up to date is a cultural thing. Keep up to pace yourself. Suggest new features during code review. Encourage curiosity. Hire developers who are interested in technology, from diverse backgrounds. Be enthusiastic and evangelize about new things, it will inspire others even if you don’t realize it.