diff --git a/packages.tsv b/packages.tsv
index c0e9b25..8156c7e 100644
--- a/packages.tsv
+++ b/packages.tsv
@@ -24,3 +24,4 @@ conda	curl	7.45.0--1	curl --fail icanhazip.com
 conda	bcftools	1.3--0	bcftools --version
 conda	deeptools	2.2.2--py27_0	bamCompare --version
 conda	deeptools	2.2.3--py27_0	bamCompare --version
+conda	blast	2.2.31--boost1.60_2	blastn -help