Greece's Prime Minister George Papandreou has won a vote of confidence in his government by 153 votes to 145.
Speaking ahead of the confidence vote, Mr Papandreou called for a new coalition to approve the bailout deal agreed last week and signalled he was ready to stand down.
Mr Papandreou told parliament that he would go to the Greek president tomorrow to discuss formation of a broader-based government that would secure the €130bn bailout, adding that he was willing to discuss who would head a new administration.
"The last thing I care about is my post. I don't care even if I am not re-elected," he said.
"The time has come to make a new effort ... I never thought of politics as a profession."
He is due to meet the president at 10am (midday Greek time) tomorrow.
Also speaking before the vote, Greek Finance Minister Evangelos Venizelos said that any new Greek coalition government must approve the eurozone bailout deal and is expected to last until the end of February.
"The broader coalition government to be formed must regain the country's international credibility and ensure the fast disbursement of €30bn for the recapitalisation of Greek banks," Mr Venizelos told parliament.
The nature of such a new government would be open to discussion but must be made up of politicians, he said.
Greek conservative leader Antonis Samaras rejected Mr Papandreou's call for a coalition government, demanding immediate elections.
"Mr Papandreou rejected our proposal. The only solution is elections," a spokesman for his New Democracy party quoted Mr Samaras as saying.
In the event, Mr Papandreou's ruling PASOK Socialists widened their parliamentary majority by one seat after a rebel politician returned to its ranks, the speaker of parliament said.
Louka Katseli, a former labour minister, was admitted back to the ruling party's parliamentary group after being expelled last month over her vote against part of Greece's latest austerity bill.
She was brought back after she voted in favour of this evening's confidence motion. The PASOK party now has a majority of 153 seats in the 300-seat parliament.
Earlier, it was confirmed that Greece has dropped its plans to hold a controversial referendum on the country's bailout, which had threatened to plunge the eurozone into a crisis.
Mr Venizelos made the pledge in telephone calls to Eurogroup Chairman Jean-Claude Juncker, European Commission's Economy and Monetary Affairs chief Olli Rehn and German Finance Minister Wolfgang Schaeuble, the Greek finance minstry said in a statement.
"Venizelos informed his interlocutors about the decision to not hold a referendum," the ministry said.
