diff --git a/combinations/hash.tsv b/combinations/hash.tsv
index 2245801d3..d6cb5a62e 100644
--- a/combinations/hash.tsv
+++ b/combinations/hash.tsv
@@ -947,3 +947,4 @@ r-susier=0.14.2,r-data.table=1.17.8
 samtools=1.21,star=2.7.3a
 gcta=1.94.1,tabix=1.11
 manc_cojo=1.1.0,tabix=1.11
+lastz=1.0.4,python=3.9