diff --git a/src/provenance/chromosomes.insdc.tsv b/src/provenance/chromosomes.insdc.tsv
index 7ba25bb..69c9511 100644
--- a/src/provenance/chromosomes.insdc.tsv
+++ b/src/provenance/chromosomes.insdc.tsv
@@ -153,7 +153,7 @@ Lactuca_sativa	MK820672	75943	4235
 Legionella_pneumophila	AE017354	446	445
 Leptospira_biflexa	CP000777	355278	145259
 Leptothrix_cholodnii	CP001013	34029	88
-Leptospira_interrogans	AE010300	173	171
+Leptospira_interrogans	CP020414	173	171
 Leuconostoc_citreum	DQ489736	349519	33964
 Listeria_grayi	LR134483	1641	1637
 Listeria_innocua	CP045743	1642	1637
diff --git a/src/provenance/chromosomes.tsv b/src/provenance/chromosomes.tsv
index 7743c6e..4bd8c6a 100644
--- a/src/provenance/chromosomes.tsv
+++ b/src/provenance/chromosomes.tsv
@@ -152,7 +152,7 @@ Lactococcus lactis	NC_002662	1358	1357
 Lactuca sativa	MK820672	75943	4235
 Legionella pneumophila	NC_002942	446	445
 Leptospira biflexa	CP000777	355278	145259
-Leptospira interrogans	NC_004342	173	171
+Leptospira interrogans	CP020414	173	171
 Leptothrix cholodnii	CP001013	34029	88
 Leuconostoc citreum	DQ489736	349519	33964
 Listeria grayi	LR134483	1641	1637