According to the Supreme Leader's website, Ayatollah Khamenei in line with clause 176 of the constitution extended for another term the membership of Ali Shamkhani and Saeed Jalili in the SNSC.
EghtesadOnline: Supreme Leader of the Islamic Revolution Ayatollah Seyyed Ali Khamenei in a decree on Monday extended the membership of Ali Shamkhani and Saeed Jalili at the Supreme National Security Council.