Unofficial exchange points sold the greenback at VND23,780, up 0.08% from Friday.
Vietcombank sold the dollar at VND23,890.
The State Bank of Vietnam kept its reference rate stable at VND23,825.
The dollar has gained over the dong by 0.67% since the beginning of the year.
Globally the dollar fell on Friday, paring almost all the week's gains, after slowing U.S. jobs growth in July encouraged hopes of a soft economic landing but higher wages suggested the Federal Reserve may need to keep interest rates higher for longer, Reuters reported.
The dollar index, a measure of the U.S. currency against six peers, fell 0.4% after climbing on Thursday to 102.84, the highest since July 7. The decline was the dollar's biggest single-day loss in three weeks.
The euro gained 0.55% to $1.1004 and the Japanese yen strengthened 0.51% at 141.81 per dollar.
The Aussie rose 0.18% versus the greenback to $0.656.
Sterling was last trading at $1.2742, up 0.23% on the day.