up the ante

up the ante - increase the payment, increase the deposit - повышать ставку, повышать плату

More examples from LDOCE
обратите внимание, что up - глагол, может быть заменен на raise

Example 1: They've upped the ante by making a $120 million bid to buy the company
Example 2: Sometimes the parents upped the ante.
Example 3: What they are now doing is compromising, in this half-baked manner, by raising the ante to 70.