diff --git a/salomon.csv b/salomon.csv
index 8b2a335e7ddd22989bb31a79b96dedb6b95d73bc..c52834475722e01fc71e815a33540394475a06da 100644
--- a/salomon.csv
+++ b/salomon.csv
@@ -595,6 +595,7 @@ GSL/2.1-foss-2016a,2
 GSL/2.3-foss-2017a,2
 GSL/2.3-intel-2017a,2
 GSL/2.4-intel-2017c,2
+GSL/2.5-GCC-6.3.0-2.27,2
 GSL/2.5-intel-2017c,2
 GTK+/2.24.28,2
 guile/1.8.8,2