diff --git a/source/hos/pkg1.c b/source/hos/pkg1.c
index 5e36e05..2005db1 100644
--- a/source/hos/pkg1.c
+++ b/source/hos/pkg1.c
@@ -36,6 +36,7 @@ static const pkg1_id_t _pkg1_ids[] = {
 	{ "20190314172056", 7 }, //8.0.0
 	{ "20190531152432", 8 }, //8.1.0
 	{ "20190809135709", 9 }, //9.0.0
+	{ "20191021113848", 10 }, //9.1.0
 	{ NULL } //End.
 };