"It's great to have won, but as we enter the group stages, I think the team needs to improve significantly," Muchichwa told KickOff.
"Now that they are in the group stages, they must elevate their performance. They played well yesterday, scoring three goals, as the cup is all about advancing to the next round, not just about playing good football.
"I don't think we currently have the team to win this competition, but football can be unpredictable, especially in cup games. The more you win, the more confidence you gain. We've seen teams clinch cups even when they aren't performing well in the league.