diff --git a/lineage_notes.txt b/lineage_notes.txt
index 7f592297..f3057a98 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -2667,6 +2667,7 @@ XBB.1.5.49	T6886C, USA
 XBB.1.5.50	S:621S, N:T49I, USA/Canada
 XBB.1.5.51	ORF1a:D3009A, USA
 XBB.1.5.52	C3589T
+XBB.1.5.53	S:F140I, S:L582F, S:R403K, South Africa
 XBB.1.6	USA, S:L216F, S:H146K, from issue #1428
 XBB.1.7	USA-NY, S:V608I
 XBB.1.8	Denmark, S:186insSGG, C3241T
diff --git a/lineages.csv b/lineages.csv
index 02e9c531..372461ab 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2380515,3 +2380515,19 @@ Philippines/PH-VUI-147975/2023,FV.1
 Singapore/R12MR22/2023,FV.1
 HongKong/VB23021974/2023,FV.1
 HongKong/VB23021400/2023,FV.1
+SouthAfrica/NICD-N54078/2023,XBB.1.5.53
+South_Africa/NICD-N54078/2023,XBB.1.5.53
+SouthAfrica/NICD-N53225/2023,XBB.1.5.53
+South_Africa/NICD-N53310/2023,XBB.1.5.53
+SouthAfrica/NICD-N53310/2023,XBB.1.5.53
+South_Africa/NICD-N54038/2023,XBB.1.5.53
+SouthAfrica/NICD-N54038/2023,XBB.1.5.53
+South_Africa/NICD-N54026/2023,XBB.1.5.53
+SouthAfrica/NICD-N54026/2023,XBB.1.5.53
+SouthAfrica/NCV1769/2023,XBB.1.5.53
+South_Africa/NICD-N54503/2023,XBB.1.5.53
+SouthAfrica/NICD-N54503/2023,XBB.1.5.53
+SouthAfrica/NICD-N54528/2023,XBB.1.5.53
+South_Africa/NICD-N54528/2023,XBB.1.5.53
+South_Africa/NICD-N54497/2023,XBB.1.5.53
+SouthAfrica/NICD-N54497/2023,XBB.1.5.53