The United Food and Commercial Workers Local 7 said union members working for Safeway and Albertsons grocery stores in Colorado have voted to strike after nine months of negotiations failed to reach a new collective bargaining agreement to replace one that expired in January.

After five months at the bargaining table, the United Food & Commercial Workers International Union (UFCW) 3000 union voted to reject their employers’ latest contract by more than 97%.

The United Food Commercial Workers Local 7 said union members in Colorado have agreed to go on strike. This comes after a 2-day voting period where union members agreed to strike and after nine months of negotiations.