diff --git a/lineage_notes.txt b/lineage_notes.txt
index 9bf3ef4f..962e1f5e 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -3806,6 +3806,7 @@ XDP	Recombinant lineage of JN.1.4 and FL.15 (breakpoint between 26834 and 27809)
 XDQ	Recombinant lineage of BA.2.86.1 and FL.15.1.1 (breakpoint between 223605 and 24377), from #2481
 XDR	Recombinant lineage of JD.1.1.1 and JN.1.1 (breakpoint between 11043 and 11726), Brazil, from #2477
 XDS	Recombinant lineage of EG.5.1.3, JN.3.2.1, EG.5.1.3 (breakpoints at 8294-8392 and 26834-27506), from sars-cov-2-variants/lineage-proposals#1267
+XDT	Recombinant lineage of BA.2.86.4, GK.1 (breakpoint between 23673-24378), Ireland/UK, from #2485
 *A.2.1	Withdrawn: Lineage with sequences predominantly from Panama
 *A.8	Withdrawn: Indian lineage merged with A.9
 *A.10	Withdrawn: Spanish lineage reassigned to A.5
diff --git a/lineages.csv b/lineages.csv
index 232f387c..e60d343b 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2479650,7 +2479650,6 @@ Spain/PV-HUD-33584329/2023,BA.2.86.4
 England/CLIMB-CM7YME4P/2023,BA.2.86.4
 Sweden/O-14_SE300_DE23-012835/2023,BA.2.86.4
 Scotland/CLIMB-CM7YFNEQ/2023,BA.2.86.4
-Ireland/CO-CUH-SC0497/2023,BA.2.86.4
 England/CLIMB-CM7YFJ7U/2023,BA.2.86.4
 England/CLIMB-CM7YEMQA/2023,BA.2.86.4
 England/CLIMB-CM7YJGII/2023,BA.2.86.4
@@ -2521008,3 +2521007,43 @@ USA/HI-H2327254/2024,JN.1.4.3
 USA/NV-CDC-QDX91833010/2024,JN.1.4.3
 USA/NV-CDC-QDX91407996/2024,JN.1.4.3
 USA/NV-CDC-QDX91125578/2024,JN.1.4.3
+Ireland/CO-NVRL-GIRL00009206/2024,XDT
+Ireland/MN-NVRL-GIRL00009182/2024,XDT
+Ireland/CO-CUH-SC0512/2023,XDT
+Ireland/CO-CUH-SC0497/2023,XDT
+Ireland/CO-CUH-SC0073/2024,XDT
+Ireland/CO-CUH-SC0064/2024,XDT
+Ireland/CO-CUH-SC0062/2024,XDT
+Ireland/CO-CUH-SC0025/2024,XDT
+Ireland/CO-CUH-SC0022/2024,XDT
+Ireland/CO-CUH-SC0010/2024,XDT
+Ireland/CO-CUH-SC0009/2024,XDT
+Ireland/CO-CUH-SC0514/2023,XDT
+Ireland/CO-CUH-SC0071/2024,XDT
+Ireland/CO-CUH-SC0036/2024,XDT
+Ireland/CO-CUH-SC0035/2024,XDT
+Ireland/CO-CUH-SC0027/2024,XDT
+Scotland/CLIMB-CM7YK5IA/2024,XDT
+England/CLIMB-CM7YKREP/2024,XDT
+England/CLIMB-CM7YJZB1/2024,XDT
+England/CLIMB-CM7YG5OR/2023,XDT
+Ireland/D-CHI-10510/2023,XDT
+England/CLIMB-CM7YR9GB/2024,XDT
+England/CLIMB-CM7YJXRJ/2024,XDT
+Ireland/G-GUH-N2269/2024,XDT
+Ireland/G-GUH-N2166/2023,XDT
+England/CLIMB-CM7YMCP7/2024,XDT
+England/CLIMB-CM7YFYCN/2024,XDT
+England/CLIMB-CM7YRJX1/2024,XDT
+England/CLIMB-CM7YKK14/2024,XDT
+England/CLIMB-CM7YK4ZF/2024,XDT
+England/CLIMB-CM7YJE5Z/2024,XDT
+Ireland/G-MUH-N2290/2023,XDT
+Ireland/G-MUH-N2079/2023,XDT
+Ireland/G-MUH-N2078/2023,XDT
+Ireland/G-MUH-N2075/2023,XDT
+Ireland/G-GUH-N2064/2023,XDT
+Ireland/G-MUH-N2157/2023,XDT
+Ireland/G-MUH-N2152/2023,XDT
+Ireland/G-MUH-N2151/2023,XDT
+Ireland/G-MUH-N2150/2023,XDT
diff --git a/pango_designation/alias_key.json b/pango_designation/alias_key.json
index 634976b9..21dd0338 100644
--- a/pango_designation/alias_key.json
+++ b/pango_designation/alias_key.json
@@ -343,6 +343,7 @@
     "XDP": ["JN.1.4","FL.15"],
     "XDQ": ["BA.2.86.1","FL.15.1.1"],
     "XDR": ["JD.1.1.1","JN.1.1"],
-    "XDS": ["EG.5.1.3","JN.3.2.1","EG.5.1.3"]
+    "XDS": ["EG.5.1.3","JN.3.2.1","EG.5.1.3"],
+    "XDT": ["BA.2.86.4","GK.1"]
 }