Health Saving Account Contributors will be able to put away $50 more in 2018 ($3450) and an additional $150 ($6900) for family. The $1000 catchup does not change.
In order to qualify to contribute to an HSA you have to be in a qualifying High Deductible Health Plan (HDHP). The minimum Deductible level for 2018 will rise $50 to $1350 individual, $2700 family. The Maximum out of pocket amount goes up $100 to $6650 ($13,300 Family).
There are other requirements beyond just the deductible to be a qualified HDHP.