From Longman Dictionary of Contemporary Englishbump something ↔ up phrasal verbINCREASE IN NUMBER OR AMOUNTto suddenly increase something by a large amount Prices were bumped up by 10 percent last week. → bump→ See Verb table
Examples from the Corpus
bump up• She was a good ham, bumping her hips up against the male dancers and rolling her eyes.• You could try bumping the temperature up, if it is below 24°s.• Indeed, so have you got any tricks up your sleeve to help bump yourself up the list next time?• Tug watched the back of the police car bump its way up the track.• The ride is firm but damping first class as undulations and bumps are swallowed up with ease.