diff --git a/lineage_notes.txt b/lineage_notes.txt
index 17f38345..f2e822f6 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -3087,6 +3087,7 @@ FE.1.2	Alias of XBB.1.18.1.1.2, A5488G
 XBB.1.19	Defined by S:486P, C541T, A10042G, T21363C, pre ORF8:8*, Pakistan, from #1680
 XBB.1.19.1	Defined by S:E554K，Pakistan, from #1765
 GW.1	Alias of XBB.1.19.1.1, ORF1a:D264N, N:M322V, China, from sars-cov-2-variants/lineage-proposals#157
+GW.1.1	Alias of XBB.1.19.1.1.1, S:F456L, China/Japan/Singapore
 GW.2	Alias of XBB.1.19.1.2, S:D936G, USA
 GW.3	Alias of XBB.1.19.1.3, ORF1a:S100N, ORF1a:N3537S
 GW.4	Alias of XBB.1.19.1.4, ORF1a:M3280I
diff --git a/lineages.csv b/lineages.csv
index fd62866b..a446540e 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2423493,7 +2423493,6 @@ CHN/BJCDC-1148/2023,GW.1
 CHN/BJCDC-1133/2023,GW.1
 CHN/BJCDC-1246/2023,GW.1
 CHN/BJCDC-1245/2023,GW.1
-Singapore/R40MR82/2023,GW.1
 CHN/BJCDC-1236/2023,GW.1
 CHN/BJCDC-1134/2023,GW.1
 CHN/JXJJ-158/2023,GW.1
@@ -2461316,3 +2461315,16 @@ Spain/MD-HGUGM-7539938/2023,FL.30
 Spain/MD-HGUGM-7539448/2023,FL.30
 Spain/MD-HGUGM-7539479/2023,FL.30
 Spain/MD-HGUGM-7539147/2023,FL.30
+CHN/BJCDC-1791/2023,GW.1.1
+CHN/BJCDC-1792/2023,GW.1.1
+CHN/GDCDC_SZ_1343/2023,GW.1.1
+CHN/BJCDC-2283/2023,GW.1.1
+CHN/HLJCDC-1642/2023,GW.1.1
+Shanghai/SCDC-603/2023,GW.1.1
+CHN/SH-NCOV23-603/2023,GW.1.1
+Singapore/R45MR16/2023,GW.1.1
+Singapore/R47MR42/2023,GW.1.1
+Singapore/R40MR82/2023,GW.1.1
+Japan/PG-552941/2023,GW.1.1
+Japan/PG-554198/2023,GW.1.1
+Japan/PG-543394/2023,GW.1.1