These new measures impose a ban on the export of 28 services vital for the operation of the oil, gas and chemical industries.
The country imposed sanctions on 44 Russian and Belarusian companies.
The US has already banned oil imports from Russia, and European Union countries are aiming to do the same thing, gradually over the next year.
Germany plans to stop importing Russian oil by the end of the year even if the European Union fails to agree on an EU-wide ban in its next set of sanctions.
How much time Europe needs to abandon Russian gas and what the alternatives are.
This is the first time since the EU sanctions against Lukashenko became effective.