Hundreds of women have gathered at Westminster to protest the government's decision to delay the age they can take their state pension.
They're unhappy at the lack of consultation and the fact they've not been given the chance to make alternative plans for their retirement.
They believed they would be retiring at 60, but they've now been told they have to work until they're 66.
Dee Ross, campaigner
If you're a woman born on or after April 1951 - the age you can claim your state pension has gone up.
The changes have been made - at the speed they have - because of the sharp increase in our life expectancies.
But many say they were unaware.
The Department for Work and Pensions, unsurprisingly disputes this.
Jennie says she only heard of the changes in the media.
KIM DORRANCE, 59
DIANE LAUNDER, 55
But for many women, this really isn't something they can laugh about - for many born in the fifties, they've worked hard all their lives - without the benefits of equal pay - and now they say they're being penalised again.