have Plesk 7.5.4 installed on RH9

It seems that there is an update available.

However when i install this using autoupdater , it fails with :
Installing /PSA_7.5.4/rpm_RedHat_9/opt/api/psa-agent-1.3.5-75060321.21.noarch.rpm
===> Updating /etc/psa/psa.conf...
Installing /PSA_7.5.4/rpm_RedHat_9/base/psa-locale-base-en-US-7.5.4-rh9.build75051115.01.noarch.rpm
error: Failed dependencies:
psa-locale-base = 7.5.2 is needed by (installed) psa-7.5.2-rh9.build75050128.10

----- end of output -----
===> Autoinstaller: stopped logging at Fri Apr 28 17:41:35 2006

Output of [root@Rayden psa]# rpm -qa | grep "psa-7"
psa-7.5.4-rh9.build75050824.12
psa-7.5.2-rh9.build75050128.10

Can someone explain me what to do please.

Thanks in advance