Inclusion Criteria: a) Diagnosis of MDD, current episode mild to moderate or in partial remission, according to the Diagnostic and Statistical Manual of Mental Disorders - DSM-IV criteria; b) Hamilton rating scale for Depression (HAMD-17), total score between 8 and 18, included; c) age between 18 and 65 years, d) able to comply with the study protocol, e.g. able to attend weekly sessions; and e) English speaking and able to provide informed consent.  Exclusion Criteria: a) a current diagnosis of bipolar disorder, substance use disorder, schizophrenia or primary personality disorder; b) a trial of electroconvulsive therapy (ECT) in the past 6 months; c) depression secondary to a concurrent medical disorder; d) current practice of meditation more than once per week or yoga more than twice per week; and e) treated with MBCT or CBT in the previous year.