France won by a minimum 1-0 over Bulgaria here to be just a step away from qualifying for a berth in the 2018 football World Cup in Russian Federation, with the final match and defining moment coming up this Tuesday.
There is also history between the two nations, as the last time France did not qualify for the World Cup was in 1994 after a late defeat to Bulgaria in qualifying.
"We're still first - that's important - we've got one match left and [qualification] remains in our hands, so we have to win [tomorrow]".
Kante will miss tomorrow's match, Deschamps said. Captain Arjen Robben came to his side's rescue by netting a penalty with only six minutes remaining, before Memphis Depay added some gloss in injury-time.
But they now face a near impossible task, as Sweden thrashed Luxembourg 8-0 earlier on Saturday, with forward Marcus Berg scoring four goals, to extend their advantage over Dick Advocaat's men on goal difference to 12.
Didier Deschamps' men can take a giant step towards booking their place at the World Cup in Russian Federation next summer with a victory in Sofia, with second-placed Sweden hosting lowly Luxembourg a point behind.
The hosts were off to a flying start to the second half, but they saw Bozhidar Kraev yellow carded in the 62nd minute for a late sliding challenge on Raphaël Varane.More news: Liverpool star helps Germany qualify for 2018 World Cup
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Switzerland lead Portugal by three points but have an inferior goal difference.
All the focus on Saturday with regard to the Republic of Ireland making a World Cup qualifying play-off centred on Group D.
That result meant that France went into their match with Bulgaria two points behind the Swedes at the top of the Group.
Steven Zuber scored twice in Basel as Switzerland made it nine wins from nine by thrashing Hungary 5-2.
The visitors almost scored a second after 15 minutes when Kylian Mbappe demonstrated his breathtaking speed to burst past Nikolay Bodurov, forcing Plamen Iliev into a smart save. Both teams are still looking for a first and second place-finish out of Group A of the competition and should provide an entertaining match.
Dario Dumic's header eight minutes from time looked to have given Bosnia a precious point, but minutes later Yannick Ferreira Carrasco netted from a tight angle to secure the win for Belgium.
Thomas Meunier had put Belgium in front after just four minutes, but goals from Haris Medunjanin on the half-hour and Edin Visca after 39 minutes put the hosts ahead going into the break.