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We use the latest solution of the ephemeris INPOP (19a) in order to improveour previous constraint on the existence of a Yukawa suppression to theNewtonian potential, generically associated to a graviton's mass. Unlike theephemeris INPOP17a, several residuals are found to degrade significantly atroughly the same amplitudes of the Compton wavelength $\lambda_g$. As aconsequence, we introduce a novel statistical criterion in order to derive theconstraint with INPOP19a. After checking that it leads to a constraintconsistent with our previous result when applied on INPOP17b, we apply themethod to the new solution INPOP19a. We show that the residuals of Marsorbiters, Cassini, Messenger, and Juno, degrade significantly when $\lambda_g\leq$ $3.43 \times 10^{13}$ km with a 99,7% confidence level -- correspondingto a graviton mass bigger than $3.62 \times 10^{-23}$ eV$/c^2$. This is astronger constraint on the Compton wavelength than the one obtained from thefirst gravitational-wave transient catalog by the LIGO-Virgo collaboration inthe radiative regime, since our 90% C.L. limit reads $\lambda_g >3.93 \times10^{13}$ km ($m_g <3.16 \times 10^{-23}$ eV$/c^2$).

Constraint on the Yukawa suppression of the Newtonian potential from the planetary ephemeris INPOP19a