2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/44793We discuss the upper bound on the lightest CP-even Higgs boson mass in the next-to-minimal supersymmetric standard model within the framework of a low energy renormalisation group analysis. We find $m_h$ < 146 GeV for $m_t$ = 90 GeV, decreasing to $m_h$ < 123 GeV for $m_t$ = 180 GeV.6 pages, LaTex, SHEP 92/93-19. Contribution to SUSY-93 Workshop Proceedings, Boston, U.S.A., March 1993High Energy Physics - Phenomenologytext