The Perth side's win over Inverness last week has put them right in the mix for a Europa League qualification slot, with the Highlanders, Lomas' team and Ross County now set for a three-way fight for third place.
Just two points separate the three teams but Hoops boss Neil Lennon says he is ready to forgo SPL points in favour of keeping his men fresh for the William Hill Scottish Cup final with Hibernian on May 26, starting with Sunday's meeting against the Staggies.
That could boost County's European ambitions but Lomas insists he will not grumble about Celtic resting players.
The Northern Irishman, whose side face Dundee United on Saturday, told Press Association Sport: "I'll just look after my own house. It's hard enough managing one club. Neil is perfectly within his rights to do what he feels is best for Celtic Football Club.
"We are just going to deal with our side of things. If we can get a result, it will be a massive boost.
"Every game is a cup final for us now and for numerous reasons - for qualifying for Europe, for prize money, for re-signing boys. For the lads to be in the mix to qualify for Europe for the second season running is a huge achievement."