diff --git a/lib/libmt/mtlib.c b/lib/libmt/mtlib.c
index b4ddddc215a1..4150825acc18 100644
--- a/lib/libmt/mtlib.c
+++ b/lib/libmt/mtlib.c
@@ -648,6 +648,7 @@ static struct densities {
 	{ 0x5C, 19107,  485318, "LTO-7" },
 	{ 0x5D, 19107,  485318, "LTO-M8" },
 	{ 0x5E, 20669,  524993, "LTO-8" },
+	{ 0x60, 23031,  584987, "LTO-9" },
 	{ 0x71, 11800,  299720, "3592A1 (encrypted)" },
 	{ 0x72, 11800,  299720, "3592A2 (encrypted)" },
 	{ 0x73, 13452,  341681, "3592A3 (encrypted)" },
diff --git a/usr.bin/mt/mt.1 b/usr.bin/mt/mt.1
index e63e5f8ab6db..49efd77e3465 100644
--- a/usr.bin/mt/mt.1
+++ b/usr.bin/mt/mt.1
@@ -29,7 +29,7 @@
 .\"	@(#)mt.1	8.1 (Berkeley) 6/6/93
 .\" $FreeBSD$
 .\"
-.Dd March 4, 2019
+.Dd December 10, 2020
 .Dt MT 1
 .Os
 .Sh NAME
@@ -525,6 +525,7 @@ Value  Width        Tracks    Density         Code Type Reference   Note
 0x5C   12.7  (0.5) 3584      19,107 (485,318)       C   LTO-7
 0x5D   12.7  (0.5) 5376      19,107 (485,318)       C   LTO-M8       14
 0x5E   12.7  (0.5) 6656      20,669 (524,993)       C   LTO-8
+0x60   12.7  (0.5) 8960      23,031 (584,987)       C   LTO-9
 0x71   12.7  (0.5)  512      11,800 (299,720)       C   3592A1 (encrypted)
 0x72   12.7  (0.5)  896      11,800 (299,720)       C   3592A2 (encrypted)
 0x73   12.7  (0.5) 1152      13,452 (341,681)       C   3592A3 (encrypted)