diff --git a/salomon.csv b/salomon.csv
index ba8609b51ea3841ecfa417502669eff665b55c03..637c5d7345180f74e4a28b98694be879e711c7aa 100644
--- a/salomon.csv
+++ b/salomon.csv
@@ -1220,6 +1220,7 @@ Serf/1.3.8-foss-2015g,2
 Singularity/2.2.1-GCC-6.3.0-2.27,2
 Singularity/2.2.99-GCC-6.3.0-2.27-develop,2
 Singularity/2.3-develop,2
+Singularity/2.3.1,2
 Subversion/1.8.16-foss-2015g,2
 Szip/2.1-foss-2015b,2
 Szip/2.1-foss-2015g,2