The Associated Press and CT News Junkie obtained a letter in which leaders of the State Employees Bargaining Coalition accuse the Republican governor -- who is not seeking re-election -- of "pandering to the partisan politics of the gubernatorial campaign" by proposing givebacks that "show a cynical disrespect" for the 45,000 unionized workers.
The governor's office did not immediately comment to the Associated Press.
Rell reached a savings agreement with the employees last year.
Her budget director this month sent the leaders a list of new requests, such as allowing some layoffs, imposing additional furlough days and limiting the accumulation of vacation time.
The state faces a $1.2 billion deficit over two years.