diff --git a/lineage_notes.txt b/lineage_notes.txt
index 44775502..13bf0586 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -1131,6 +1131,7 @@ JN.1.36.1	Alias of B.1.1.529.2.86.1.1.36.1, S:S680F, South Korea
 JN.1.37	Alias of B.1.1.529.2.86.1.1.37, S:S680F
 JN.1.38	Alias of B.1.1.529.2.86.1.1.38, ORF1b:R1736K, USA
 JN.1.39	Alias of B.1.1.529.2.86.1.1.39, G2782T
+JN.1.40	Alias of B.1.1.529.2.86.1.1.39, S:S31P, Mexico
 JN.2	Alias of B.1.1.529.2.86.1.2, ORF1a:Y621C, Europe/North America, from #2284
 JN.2.1	Alias of B.1.1.529.2.86.1.2.1, S:S31F, Sweden/Australia
 JN.2.2	Alias of B.1.1.529.2.86.1.2.2, S:T572I, N:G25C, ORF1a:L3644F, Netherlands, from #2433
diff --git a/lineages.csv b/lineages.csv
index f059a189..db35a6bd 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2530643,3 +2530643,24 @@ England/CLIMB-CM7YKXAH/2024,JN.1.39
 England/CLIMB-CM7YJ5PW/2024,JN.1.39
 England/CLIMB-CM7YRS4Z/2024,JN.1.39
 England/CLIMB-CM7YKDBR/2024,JN.1.39
+Mexico/MEX_IBT_IMSS_12550/2024,JN.1.40
+Mexico/PUE_CIAD_01005261/2024,JN.1.40
+Mexico/CMX_CIAD_01004919/2024,JN.1.40
+USA/CA-KP001300/2024,JN.1.40
+Mexico/CMX-INMEGEN-120-53/2024,JN.1.40
+Mexico/CMX_CIAD_01004914/2024,JN.1.40
+Mexico/CMX_CIAD_01004916/2024,JN.1.40
+USA/CO-CDPHE-41756790/2024,JN.1.40
+Mexico/CMX_IBT_IMSS_12527/2024,JN.1.40
+USA/CA-HLX-STM-CEYTNWXGN/2024,JN.1.40
+Mexico/CMX-INMEGEN-120-49/2024,JN.1.40
+Mexico/CMX-INMEGEN-121-34/2024,JN.1.40
+Mexico/CMX-INMEGEN-121-20/2024,JN.1.40
+USA/CA-HLX-STM-HVQG7JAYH/2024,JN.1.40
+USA/CA-KP000937/2024,JN.1.40
+USA/CA-HLX-STM-38UJV2AE2/2024,JN.1.40
+USA/CA-SFDPH-M30656/2024,JN.1.40
+Singapore/R16MQ7/2024,JN.1.40
+USA/CA-SC-283585/2024,JN.1.40
+Mexico/CMX_IBT_IMSS_12665/2024,JN.1.40
+Mexico/CMX_IBT_IMSS_12699/2024,JN.1.40