diff --git a/lineage_notes.txt b/lineage_notes.txt
index 9d22692f..7f296ed5 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -2909,6 +2909,7 @@ XBB.1.45	T21000C, USA/Singapore/Malaysia
 XBB.1.45.1	S:486P, A3139G, A19137G, C28291T, USA/Portugal
 XBB.1.46	ORF1a:C1114F, Singapore/Malaysia
 XBB.1.47	ORF1a:T1761I, ORF1a:C2180Y, ORF1a:I2854V, Philippines/Singapore/Japan
+XBB.1.47.1	S:486P, S:A260V, S:V1122G, Japan/USA/Australia/Germany
 XBB.2	Defined by S:D253G, from issue #1173
 XBB.2.1	Defined by S:N764R (C23853G), two step mutation on top of C23854A (S:N764K defining of all Omicrons)
 XBB.2.2	Defined by S:Q613H
diff --git a/lineages.csv b/lineages.csv
index f14729c7..1e7922d9 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2421715,19 +2421715,19 @@ Germany/BW-RKI-I-1090864/2023,XBB.1.47
 USA/NV-CDC-QDX45908840/2023,XBB.1.47
 USA/TG1398413/2023,XBB.1.47
 USA/NM-TG1424562/2023,XBB.1.47
-Japan/TKYS32027/2023,XBB.1.47
-Japan/PG-465044/2023,XBB.1.47
-Australia/WA11750/2023,XBB.1.47
-Japan/5GA-245/2023,XBB.1.47
-USA/CA-CDPH-500106572/2023,XBB.1.47
-USA/CA-CDPH-500106440/2023,XBB.1.47
-Japan/TKYnat13414/2023,XBB.1.47
-Japan/PG-475095/2023,XBB.1.47
-Japan/TKYnat13789/2023,XBB.1.47
-Japan/TKYmbc37793/2023,XBB.1.47
-Japan/TKYnat13215/2023,XBB.1.47
-Germany/BW-RKI-I-1136404/2023,XBB.1.47
-USA/CA-CDC-QDX80462779/2023,XBB.1.47
-Japan/5GA-311/2023,XBB.1.47
-USA/NY-URMC-N3S1G316-1/2023,XBB.1.47
-SouthKorea/KDCA235377/2023,XBB.1.47
+Japan/TKYS32027/2023,XBB.1.47.1
+Japan/PG-465044/2023,XBB.1.47.1
+Australia/WA11750/2023,XBB.1.47.1
+Japan/5GA-245/2023,XBB.1.47.1
+USA/CA-CDPH-500106572/2023,XBB.1.47.1
+USA/CA-CDPH-500106440/2023,XBB.1.47.1
+Japan/TKYnat13414/2023,XBB.1.47.1
+Japan/PG-475095/2023,XBB.1.47.1
+Japan/TKYnat13789/2023,XBB.1.47.1
+Japan/TKYmbc37793/2023,XBB.1.47.1
+Japan/TKYnat13215/2023,XBB.1.47.1
+Germany/BW-RKI-I-1136404/2023,XBB.1.47.1
+USA/CA-CDC-QDX80462779/2023,XBB.1.47.1
+Japan/5GA-311/2023,XBB.1.47.1
+USA/NY-URMC-N3S1G316-1/2023,XBB.1.47.1
+SouthKorea/KDCA235377/2023,XBB.1.47.1