renegotiate
Concise Oxford English Dictionary © 2008 Oxford University Press:
renegotiate/riːnɪˈɡəʊʃɪeɪt/
▶verb negotiate again in order to change the original agreed terms.
– derivatives
renegotiable adjective,
renegotiation noun.
renegotiable adjective,
renegotiation noun.
'renegotiate' also found in these Oxford entries:

