diff --git a/share/misc/bsd-family-tree b/share/misc/bsd-family-tree
index 15cf93f14fee..1849c3caa7c1 100644
--- a/share/misc/bsd-family-tree
+++ b/share/misc/bsd-family-tree
@@ -370,6 +370,8 @@ FreeBSD 5.2           |      |                 |                       |
  |     |              |     |      |      OpenBSD 6.3                  |
  |     |              |     |      |           |               DragonFly 5.2.0
  |     |              |     |      v           |                       |
+ |     |              |     |      |           |               DragonFly 5.2.1
+ |     |              |     |      v           |                       |
  |     v              |     |                  |                       |
  |                    |     |                  |                       |
 FreeBSD 12 -current   | NetBSD -current   OpenBSD -current    DragonFly -current
@@ -743,6 +745,7 @@ NetBSD 7.1.1		2017-12-22 [NBD]
 NetBSD 7.1.2		2018-03-15 [NBD]
 OpenBSD 6.3		2018-04-02 [OBD]
 DragonFly 5.2.0		2018-04-10 [DFB]
+DragonFly 5.2.1		2018-05-20 [DFB]
 
 Bibliography
 ------------------------