Sri Lanka tamed Bangladesh in the third and final T20I to clinch the series by a 2-1 margin on Saturday in Sylhet.
Kusal Mendis smashed a career-best 86 as the Lankans posted 174/7 in 20 overs.
Nuwan Thushara's hat-trick then silenced the hosts as they were 32/6.
However, a fight from Rishad Hossain and Taskin Ahmed helped Bangladesh manage 146/10.
