-Requires: GConf2-devel >= 2.6.0
-Requires: ORBit2-devel >= 1:2.10.0
-Requires: glib2-devel >= 1:2.4.0
-Requires: libbonobo-devel >= 2.6.0
+# for all but libegroupwise
+Requires: GConf2-devel >= 2.6.2
+Requires: ORBit2-devel >= 1:2.10.3
+Requires: glib2-devel >= 1:2.4.4
+Requires: libbonobo-devel >= 2.6.2
+Requires: libgnome-devel >= 2.6.1.1