Index: library/serialize/pkgIndex.tcl
===================================================================
diff -u -N -r77a193c118f4ae2b0ccd0913e39326e4f0f53fe6 -r39197485bb3bf3b52b16bccda51800cd801b8f4b
--- library/serialize/pkgIndex.tcl	(.../pkgIndex.tcl)	(revision 77a193c118f4ae2b0ccd0913e39326e4f0f53fe6)
+++ library/serialize/pkgIndex.tcl	(.../pkgIndex.tcl)	(revision 39197485bb3bf3b52b16bccda51800cd801b8f4b)
@@ -1 +1 @@
-package ifneeded nx::serializer 2.3 [list source [file join $dir serializer.tcl]]
+package ifneeded nx::serializer 2.4.0 [list source [file join $dir serializer.tcl]]