Indian opener, who smashed 34-ball 68 in the 2nd T20I against Afghanistan, gained 7 places and is now ranked career-best 6th.
Dube's power-hitting that saw him smash two consecutive unbeaten fifties, have seen him jump 207 places - 265th to 58th rank.
Indian batter has also risen 7 places and is now ranked 60th in the world among T20I batters.
The southpaw has also jumped 3 places and is just behind Shubman Gill in joint 61st position.
SKY, who isn't part of the Afghanistan series due to an injury, continues to be top of the ICC rankings for batters.
Indian all-rounder has jumped 12 places to a career-best 5th place among bowlers in T20Is. Meanwhile, Arshdeep Singh is up 4 places to 21st.
Former Pakistani captain has also moved up one place to 4th in the latest ICC rankings.