Costco Teamsters have voted to authorize a strike. The vote, passed with 85% of voters in favor, acts as a push from union members for a fair contract offer as the Costco Teamsters National Master Agreement is set to expire on Jan. 31.

Costco Teamsters says its members will rally outside the company’s corporate headquarters Thursday during its annual shareholder meeting.

The majority vote came amid the final round of contract negotiations between Costco and the International Brotherhood of Teamsters, Reuters said.Start the day smarter. Get all the news you need in your inbox each morning.