diff --git a/lineage_notes.txt b/lineage_notes.txt
index 514b3401..2d665759 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -2982,6 +2982,7 @@ EG.5.1.2	Alias of XBB.1.9.2.5.1.2, Japan, ORF1b:V1644I From sars-cov-2-variants/
 EG.5.1.3	Alias of XBB.1.9.2.5.1.3, ORF1a:R542C, C22570T from https://github.com/sars-cov-2-variants/lineage-proposals/issues/222
 JG.1	Alias of XBB.1.9.2.5.1.3.1, S:T732I, France
 EG.5.1.4	Alias of XBB.1.9.2.5.1.4, ORF1b:K2557R from https://github.com/cov-lineages/pango-designation/issues/2117
+JJ.1	Alias of XBB.1.9.2.5.1.3.1, S:L455F, ORF3a:I47V, China/Japan
 EG.5.1.5	Alias of XBB.1.9.2.5.1.5, ORF1a:L3293I, ORF1b:T1274I, ORF1b:L2349V, Portugal
 EG.5.1.6	Alias of XBB.1.9.2.5.1.6, S:F157L, ORF1a:S1857L, USA from https://github.com/sars-cov-2-variants/lineage-proposals/issues/394
 HV.1	Alias of XBB.1.9.2.5.1.6.1, S:L452R, USA
diff --git a/lineages.csv b/lineages.csv
index ee967140..0427aef0 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2462199,3 +2462199,30 @@ England/CLIMB-CM7YENNY/2023,HK.9
 England/CLIMB-CM7YGF9A/2023,HK.9
 England/CLIMB-CM7Y8PYI/2023,HK.9
 England/CLIMB-CM7YMOKD/2023,HK.9
+Japan/PG-557386/2023,JJ.1
+Yunnan/YNCDC-2162/2023,JJ.1
+Hong_Kong/VB23108519/2023,JJ.1
+Shanghai/SCDC-718/2023,JJ.1
+Shanghai/SCDC-XG08-12185/2023,JJ.1
+Japan/PG-555880/2023,JJ.1
+Taiwan/CDC-W30998/2023,JJ.1
+Japan/PG-560780/2023,JJ.1
+Japan/TKYnat14846/2023,JJ.1
+Japan/PG-557715/2023,JJ.1
+Japan/TKYnat14786/2023,JJ.1
+Japan/PG-558758/2023,JJ.1
+Japan/PG-557482/2023,JJ.1
+Japan/PG-556969/2023,JJ.1
+Japan/PG-556970/2023,JJ.1
+Japan/PG-556971/2023,JJ.1
+Japan/PG-556972/2023,JJ.1
+Japan/PG-556974/2023,JJ.1
+Japan/PG-556975/2023,JJ.1
+Japan/PG-556992/2023,JJ.1
+Japan/PG-556979/2023,JJ.1
+Japan/PG-556993/2023,JJ.1
+Japan/PG-556995/2023,JJ.1
+Japan/PG-560046/2023,JJ.1
+Japan/PG-560048/2023,JJ.1
+Japan/PG-556973/2023,JJ.1
+Japan/PG-556994/2023,JJ.1
diff --git a/pango_designation/alias_key.json b/pango_designation/alias_key.json
index 8dc3e0b6..7b99dfd3 100644
--- a/pango_designation/alias_key.json
+++ b/pango_designation/alias_key.json
@@ -209,6 +209,7 @@
     "JG": "XBB.1.9.2.5.1.3",
     "JH": "XBB.1.5.3",
     "JH": "B.1.1.529.5.3.1.1.1.1.1.2.2",
+    "JJ": "XBB.1.9.2.5.1.4",
     "XA": ["B.1.1.7","B.1.177"],
     "XB": ["B.1.634","B.1.631"],
     "XC": ["AY.29","B.1.1.7"],