Placed second before the two-match ODI series against Pakistan in Abu Dhabi, Dhoni's 59 in India's series-levelling win in the second match yesterday earned the 24-year-old vital rating points and pushed him on the top of the mound.
It has been a fairy tale journey for the lad from Jharkhand who has taken just over 16-months since his debut to dwarf the big boys of the game.
In 42 matches, he averages 52.76 with two hundreds and eight fifties and, equally significantly, he has made those runs at an awesome strike-rate of 103 runs per hundred balls.
However, Dhoni's joy could prove short-lived and Ricky Ponting may regain the numero uno spot in the upcoming three-match one-day series against minnows Bangladesh where as India don't have any commitment until May 18 when they embark upon the ODI series against West Indies in the Caribbean.
In the meantime, Dhoni is one of three India batsmen in the top 10 places with captain Rahul Dravid ninth (up two places) and Yuvraj Singh (10th) also featuring.
Further down the list are the injured Sachin Tendulkar in joint 21st spot with Sri Lanka's Sanath Jayasuriya and Virender Sehwag, whose return to form with 73 yesterday has seen him move back up four places to joint 24th position, alongside England's Andrew Strauss.