diff --git a/lineage_notes.txt b/lineage_notes.txt
index 69960b60..617956ca 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -2838,6 +2838,7 @@ GK.7	Alias of XBB.1.5.70.7, N:D3G
 GK.8	Alias of XBB.1.5.70.8, ORF:E55Q, Brazil
 GK.8.1	Alias of XBB.1.5.70.8.1, S:N185I, S:A475V
 GK.9	Alias of XBB.1.5.70.9, S:T307S, Brazil
+GK.10	Alias of XBB.1.5.70.10, S:E554G, Brazil
 XBB.1.5.71	S:V511I, Spain
 XBB.1.5.72	S:F456L (T22928C), ORF1a:G445S, T9823C, T10204C, South America
 XBB.1.5.73	T28271C, USA/Peru
diff --git a/lineages.csv b/lineages.csv
index 8d547445..b61640e7 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2470532,3 +2470532,19 @@ Brazil/SP-FIOCRUZ-8364/2023,GK.9
 Brazil/MT-LACENMT-510516845/2023,GK.9
 Brazil/SP-IAL-357273794/2023,GK.9
 Brazil/SP-IAL-357275871/2023,GK.9
+Brazil/PE-FIOCRUZ-9677/2023,GK.10
+Brazil/MA-LACENMA-210243802/2023,GK.10
+France/CVL-IPP17311/2023,GK.10
+France/CVL-IPP17388/2023,GK.10
+Brazil/SP-IAL-357229253/2023,GK.10
+France/OCC-HCL723000864901/2023,GK.10
+France/CVL-ChuTo-9800119208/2023,GK.10
+France/CVL-ChuTo-9800119317/2023,GK.10
+France/NAQ-HCL723001081801/2023,GK.10
+France/PAC-HCL723000979401/2023,GK.10
+France/NAQ-HCL723000981701/2023,GK.10
+France/BRE-IPP18509/2023,GK.10
+Belgium/CHUNamur14694515/2023,GK.10
+Belgium/CHUNamur14693948/2023,GK.10
+Belgium/CHUNamur14698044/2023,GK.10
+Belgium/CHUNamur14694335/2023,GK.10