Check your wages this month and you might notice you've taken home a little less than usual.
It's because automatic pensions contributions have risen.
If you're over the age of 22, you'll be getting at least 3% of your wages put aside for when you retire - up from 1%.
If money's tight, or you don't like the sound of it, you can opt out by speaking to your employer. Confused? Read on for some answers to some of the questions you might still have.