'Guardian' marks the latest track from the singer. It is scheduled for release this summer.
The track serves as the lead single from Morissette's eighth studio album Havoc and Bright Lights, which follows in August.
Following the birth of her son in 2010, the 37-year-old recently insisted the LP is "not one of those records that is a lullaby record of any kind", but admitted she has been "profoundly affected" by motherhood.
Morissette announced a a trio of UK shows last month, including a single date at London's Brixton Academy on June 27.
Listen to 'Guardian' below: