Over the past few years, Gen Y has entered the workforce following Gen X. They have become dominant employees with different perceptions, behaviors, and experiences. These differences have major impacts on work values affecting how they work and deliver output. Work values is crucial as they affect how both individual and organization perform. Previous studies showed various results on this issue based on different company sector backgrounds (i.e. government sector and business sector) and cultural differences in several countries (i.e. western and eastern countries) in eastern countries results are more vary among generation. The purpose of this study is to explore the differences in the work values of Gen X and Gen Y employees in the Ministry of State Secretariat of the Republic of Indonesia. Content analysis was used to analyze responses from 9 units, consisting of 58 Gen X (50.43%) and 57 Gen Y (49.57%). The result showed that Gen X are found to have higher instrumental and prestige values while Gen Y are found to have higher cognitive and social values. Gen X are more likely to need leader support for better performance, while opportunities to have better education and training are more important for Gen Y. In addition to that, Gen Y consider promotion as a rewarding satisfaction which have a great psychological effect, they also prioritize teamwork compared to previous generation.