diff --git a/Makefile b/Makefile
index dd2afb8..c6159fe 100644
--- a/Makefile
+++ b/Makefile
@@ -275,6 +275,6 @@ tar:
 	rm -rf /tmp/xv6
 	mkdir -p /tmp/xv6
 	cp dist/* dist/.gdbinit.tmpl /tmp/xv6
-	(cd /tmp; tar cf - xv6) | gzip >xv6-rev9.tar.gz  # the next one will be 9 (6/27/15)
+	(cd /tmp; tar cf - xv6) | gzip >xv6-rev10.tar.gz  # the next one will be 10 (9/17)
 
 .PHONY: dist-test dist