diff --git a/comps-f17.xml.in b/comps-f17.xml.in
index 0610910b..29358c11 100644
--- a/comps-f17.xml.in
+++ b/comps-f17.xml.in
@@ -1602,6 +1602,8 @@
blas
bowtie
bwa
+ cantor
+ cantor-R
cddlib
cdo
chemtool
diff --git a/comps-f18.xml.in b/comps-f18.xml.in
index 2da6bd86..bb2f71ac 100644
--- a/comps-f18.xml.in
+++ b/comps-f18.xml.in
@@ -1429,6 +1429,8 @@
blas
bowtie
bwa
+ cantor
+ cantor-R
cddlib
cdo
chemtool