[CentOS] dependency error with xerces.c ???

# yum update
...
--> Running transaction check
--> Processing Dependency: libxerces-c.so.27 for package: phc
---> Package xerces-c.i386 0:2.8.0-1.el5.centos set to be updated
--> Finished Dependency Resolution
phc-0.1.7-1.el5.rf.i386 from installed has depsolving problems
   --> Missing Dependency: libxerces-c.so.27 is needed by package 
phc-0.1.7-1.el5.rf.i386 (installed)
Error: Missing Dependency: libxerces-c.so.27 is needed by package 
phc-0.1.7-1.el5.rf.i386 (installed)
  You could try using --skip-broken to work around the problem
  You could try running: package-cleanup --problems
                         package-cleanup --dupes
                         rpm -Va --nofiles --nodigest
# locate libxerces
/usr/lib/libxerces-c.so.27
/usr/lib/libxerces-c.so.27.0
/usr/lib/libxerces-depdom.so.27
/usr/lib/libxerces-depdom.so.27.0
# rpm -qa|grep xerces
xerces-c-2.7.0-8.el5
xerces-j2-2.7.1-7jpp.2.el5_4.2


How to resolve this?

tnx