Arnotts on Dublin's Henry Street is to get an €11m upgrade.
Parent company Selfridges is to refurbish the iconic northside department store and improve its IT systems.
According to The Irish Times, Arnotts will also open a new toy department soon.
It will also collaborate with the Little Museum of Dublin for its 175th anniversary next month.
More From The Irish Examiner
Changing times as drinking habits dry up
Living closer to coast associated with lower risk of depression in older people, study finds
Personal data shared 92,000 times to State agencies by phone and internet firms
Car goes into river after collision in Co. Cork
State’s reaction is to deny, delay, and to buy silence
New Zealand prime minister’s emotional message to family of Grace Millane
Donncha O’Connor: ‘You could stick your chest out about him’
Man stole €100k and gave it to chatroom ‘friends’
How Ireland’s first female lift engineer lifted herself out of addiction
Young Cork man leaves Intensive Care to recover from brain injury
Man, 48, dies in Belfast crash
Man and woman arrested after suspect device found in Drogheda house
Everton draw tough to accept, admits Watford boss Javi Gracia
Croke Park firm takes over Páirc Uí Chaoimh management
Nasa craft shows tiny asteroid studded with boulders
Theresa May to meet Angela Merkel over Brexit deal
'Brexit fiasco' sinks sterling as Irish business fears soar
Greencoat Renewables to consider mainland Europe investments
Homeless crisis takes centre stage
Irish sci-fi blasts off: Tramp Press launches anthology of science fiction stories
NBA superstar Steph Curry says he doesn’t believe man landed on the moon
Smocking gun: Twitter users mock Donald Trump after double spelling error
Here's how you can see the 'Christmas Comet' when it passes over Ireland
City frogs boast sexiest love songs, experts say
Listen: Radio caller falls asleep during Brexit phone-in
Donor found for Florida toddler after global hunt for rare blood
