--- a/MANIFEST
+++ b/MANIFEST
@@ -4678,6 +4678,7 @@
 pad.h				Scratchpad headers
 parser.h			parser object header
+patchlevel-gentoo.h			Gentoo's Perl patch level
 patchlevel.h			The current patch level of perl
 perlapi.c			Perl API functions
 perlapi.h			Perl API function declarations
 perl.c				main()