diff --git a/lineage_notes.txt b/lineage_notes.txt
index aefcf47f..8c634b68 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -882,6 +882,7 @@ CH.1.1.15	Alias of B.1.1.529.2.75.3.4.1.1.1.1.15, found mainly in Lithuania, Ger
 CH.1.1.16	Alias of B.1.1.529.2.75.3.4.1.1.1.1.16, S:613H, ORF3a:S26L, on C193T branch, Germany/Sweden, from #1753
 CH.1.1.17	Alias of B.1.1.529.2.75.3.4.1.1.1.1.17, M:S212G, on C21811T branch, from #1753
 FK.1	Alias of B.1.1.529.2.75.3.4.1.1.1.1.17.1, found mainly in New Zealand and Australia, from pango-designation issue #1718
+FK.1.1	Alias of B.1.1.529.2.75.3.4.1.1.1.1.17.1.1, found mainly in New Zealand and Australia, from pango-designation issue #1881
 CH.1.1.18	Alias of B.1.1.529.2.75.3.4.1.1.1.1.18, S:K187T, related to #1747
 CH.1.1.19	Alias of B.1.1.529.2.75.3.4.1.1.1.1.19, C2773T, Europe
 FJ.1	Alias of B.1.1.529.2.75.3.4.1.1.1.1.19.1, ORF1a:A1204V, England
diff --git a/lineages.csv b/lineages.csv
index 7b98d1c2..31be15b7 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2235842,10 +2235842,10 @@ Australia/VIC81237/2023,FK.1
 Australia/NSW-ICPMR-42779/2023,FK.1
 USA/CA-GBW-H10-010-6512/2023,FK.1
 USA/CA-GBW-H20-264-5512/2023,FK.1
-Australia/NSW-ICPMR-42945/2023,FK.1
-Australia/NSW-ICPMR-43508/2023,FK.1
-Australia/NSW-ICPMR-43630/2023,FK.1
-Australia/NSW-ICPMR-43613/2023,FK.1
+Australia/NSW-ICPMR-42945/2023,FK.1.1
+Australia/NSW-ICPMR-43508/2023,FK.1.1
+Australia/NSW-ICPMR-43630/2023,FK.1.1
+Australia/NSW-ICPMR-43613/2023,FK.1.1
 Scotland/QEUH-326FC8F1/2023,FK.1
 Australia/QLD0x012F18/2023,FK.1
 Australia/QLD0x012EFF/2023,FK.1
@@ -2258045,7 +2258045,7 @@ England/LSPA-3263B216/2022,CH.1.1
 England/PHEC-YY8JAR8/2022,CH.1.1
 Belgium/OLVZ-897232001/2023,CH.1.1
 Brunei/7723001493/2023,CH.1.1
-Australia/NSW-ICPMR-42741/2023,FK.1
+Australia/NSW-ICPMR-42741/2023,FK.1.1
 Netherlands/GE-RIVM-126996/2023,CH.1.1
 France/BRE-ChuBr-2301551088/2023,CH.1.1
 Japan/TKYkbm65482/2022,CH.1.1
@@ -2362452,22 +2362452,22 @@ Australia/QLD0x012FAC/2023,FK.1
 Australia/QLD0x012FAA/2023,FK.1
 Belgium/rega-46959/2023,FK.1
 Australia/VIC81748/2023,FK.1
-USA/WA-CDC-UW23031121990/2023,FK.1
-Australia/WA12215/2023,FK.1
-USA/WA-CDC-UW23032076106/2023,FK.1
-Denmark/DCGC-644565/2023,FK.1
-England/QEUH-327043D6/2023,FK.1
-Australia/QLD0x01301A/2023,FK.1
+USA/WA-CDC-UW23031121990/2023,FK.1.1
+Australia/WA12215/2023,FK.1.1
+USA/WA-CDC-UW23032076106/2023,FK.1.1
+Denmark/DCGC-644565/2023,FK.1.1
+England/QEUH-327043D6/2023,FK.1.1
+Australia/QLD0x01301A/2023,FK.1.1
 Denmark/DCGC-644433/2023,FK.1
 Australia/QLD0x012FE1/2023,FK.1
-France/HDF-IPP06319/2023,FK.1
+France/HDF-IPP06319/2023,FK.1.1
 Denmark/DCGC-644195/2023,FK.1
 Denmark/DCGC-644339/2023,FK.1
 Slovenia/23-009431-MB/2023,FK.1
-Australia/WA12169/2023,FK.1
+Australia/WA12169/2023,FK.1.1
 Denmark/DCGC-643466/2023,FK.1
 Germany/NW-RKI-I-1122016/2023,FK.1
-USA/WA-CDC-UW23031410999/2023,FK.1
+USA/WA-CDC-UW23031410999/2023,FK.1.1
 Australia/NSW-ICPMR-43866/2023,FK.1
 England/BRBR-32707977/2023,FK.1
 Australia/WA12123/2023,FK.1
@@ -2362488,22 +2362488,22 @@ England/BRBR-32706DD6/2023,FK.1
 USA/AZ-CDC-LC1027241/2023,FK.1
 Australia/QLD0x013034/2023,FK.1
 Australia/QLD0x012FCD/2023,FK.1
-France/HDF-IPP06320/2023,FK.1
+France/HDF-IPP06320/2023,FK.1.1
 Australia/QLD0x012FEC/2023,FK.1
 Australia/QLD0x012FF5/2023,FK.1
 England/PHEC-YYEP8FP/2023,FK.1
 Australia/NSW-ICPMR-43870/2023,FK.1
 Australia/QLD0x012FE9/2023,FK.1
 Australia/QLD0x01301B/2023,FK.1
-USA/WA-CDC-UW23031414260/2023,FK.1
+USA/WA-CDC-UW23031414260/2023,FK.1.1
 Australia/NSW-ICPMR-43680/2023,FK.1
 Australia/QLD0x01301D/2023,FK.1
 Slovenia/08-001216-MB/2023,FK.1
 Germany/SN-RKI-I-1125347/2023,FK.1
-Denmark/DCGC-644285/2023,FK.1
+Denmark/DCGC-644285/2023,FK.1.1
 Denmark/DCGC-644206/2023,FK.1
 Australia/QLD0x012FAD/2023,FK.1
-Australia/WA12174/2023,FK.1
+Australia/WA12174/2023,FK.1.1
 Denmark/DCGC-643942/2023,FK.1
 Australia/QLD0x012FE3/2023,FK.1
 Australia/NSW-ICPMR-43825/2023,FK.1