Pgadmin3 - CentOS 5 - Missing Dependency: libpq.so.5

Hello I'm getting "Missing Dependency: libpq.so.5" when installing 
Pgadmin3 via YUM on CentOS 5.4 x64.
Can you help?

Resolving Dependencies
--> Running transaction check
---> Package pgadmin3.i386 0:1.10.1-1.rhel5 set to be updated
--> Processing Dependency: libwx_gtk2u_core-2.8.so.0(WXU_2.8) for 
package: pgadmin3
--> Processing Dependency: libwx_baseu-2.8.so.0(WXU_2.8.5) for package: 
pgadmin3
--> Processing Dependency: libwx_gtk2u_aui-2.8.so.0(WXU_2.8) for 
package: pgadmin3
--> Processing Dependency: libwx_gtk2u_xrc-2.8.so.0(WXU_2.8) for 
package: pgadmin3
--> Processing Dependency: libwx_gtk2u_richtext-2.8.so.0 for package: 
pgadmin3
--> Processing Dependency: libwx_gtk2u_adv-2.8.so.0(WXU_2.8) for 
package: pgadmin3
--> Processing Dependency: libwx_gtk2u_stc-2.8.so.0 for package: pgadmin3
--> Processing Dependency: libwx_gtk2u_xrc-2.8.so.0 for package: pgadmin3
--> Processing Dependency: libxslt.so.1 for package: pgadmin3
--> Processing Dependency: libwx_gtk2u_adv-2.8.so.0 for package: pgadmin3
--> Processing Dependency: libwx_gtk2u_core-2.8.so.0 for package: pgadmin3
--> Processing Dependency: libwx_gtk2u_aui-2.8.so.0 for package: pgadmin3
--> Processing Dependency: libwx_baseu_net-2.8.so.0(WXU_2.8) for 
package: pgadmin3
--> Processing Dependency: libwx_gtk2u_ogl-2.8.so.0 for package: pgadmin3
--> Processing Dependency: libwx_gtk2u_html-2.8.so.0(WXU_2.8) for 
package: pgadmin3
--> Processing Dependency: wxGTK for package: pgadmin3
--> Processing Dependency: libwx_gtk2u_ogl-2.8.so.0(WXU_2.8) for 
package: pgadmin3
--> Processing Dependency: libwx_baseu-2.8.so.0 for package: pgadmin3
--> Processing Dependency: libwx_baseu_xml-2.8.so.0 for package: pgadmin3
--> Processing Dependency: libpq.so.5 for package: pgadmin3
--> Processing Dependency: libwx_baseu_xml-2.8.so.0(WXU_2.8) for 
package: pgadmin3
--> Processing Dependency: libwx_gtk2u_stc-2.8.so.0(WXU_2.8) for 
package: pgadmin3
--> Processing Dependency: libwx_gtk2u_qa-2.8.so.0 for package: pgadmin3
--> Processing Dependency: libwx_gtk2u_html-2.8.so.0 for package: pgadmin3
--> Processing Dependency: libwx_baseu_net-2.8.so.0 for package: pgadmin3
--> Processing Dependency: libwx_baseu-2.8.so.0(WXU_2.8) for package: 
pgadmin3
--> Running transaction check
---> Package libxslt.i386 0:1.1.17-2.el5_2.2 set to be updated
---> Package pgadmin3.i386 0:1.10.1-1.rhel5 set to be updated
--> Processing Dependency: libpq.so.5 for package: pgadmin3
---> Package wxBase.i386 0:2.8.9-2.el5 set to be updated
---> Package wxGTK.i386 0:2.8.9-2.el5 set to be updated
--> Processing Dependency: libSDL-1.2.so.0 for package: wxGTK
--> Running transaction check
---> Package SDL.i386 0:1.2.10-8.el5 set to be updated
---> Package pgadmin3.i386 0:1.10.1-1.rhel5 set to be updated
--> Processing Dependency: libpq.so.5 for package: pgadmin3
--> Finished Dependency Resolution
pgadmin3-1.10.1-1.rhel5.i386 from pgdg84 has depsolving problems  --> Missing Dependency: libpq.so.5 is needed by package 
pgadmin3-1.10.1-1.rhel5.i386 (pgdg84)
Error: Missing Dependency: libpq.so.5 is needed by package 
pgadmin3-1.10.1-1.rhel5.i386 (pgdg84)


Regards,
António Santos