diff --git a/Compiler/gsl/2/variants b/Compiler/gsl/2/variants
deleted file mode 100644
index 33eaef6..0000000
--- a/Compiler/gsl/2/variants
+++ /dev/null
@@ -1,13 +0,0 @@
-gsl/2.2.1       stable		gcc/4.8.5 
-gsl/2.2.1       stable		gcc/4.9.4 
-gsl/2.2.1       stable		gcc/5.4.0 
-gsl/2.2.1       stable		gcc/6.2.0 
-gsl/2.2.1       stable		gcc/6.3.0 
-
-gsl/2.4		stable		gcc/5.5.0 
-gsl/2.4		stable		gcc/6.4.0 
-gsl/2.4		stable		gcc/7.3.0 
-gsl/2.4		stable		clang-macos/9.0.0
-gsl/2.4		stable		intel/17.4
-
-gsl/2.5		stable		gcc/7.3.0 
diff --git a/Compiler/gsl/files/variants b/Compiler/gsl/files/variants.rhel6
similarity index 94%
rename from Compiler/gsl/files/variants
rename to Compiler/gsl/files/variants.rhel6
index 27aba84..39742e9 100644
--- a/Compiler/gsl/files/variants
+++ b/Compiler/gsl/files/variants.rhel6
@@ -25,6 +25,8 @@ gsl/2.4		stable		gcc/7.3.0
 gsl/2.4		stable		clang-macos/9.0.0
 gsl/2.4		stable		intel/17.4
 
+gsl/2.5		stable		gcc/6.3.0 
 gsl/2.5		stable		gcc/7.3.0 
 gsl/2.5		stable		gcc/7.4.0 
 gsl/2.5		stable		gcc/8.3.0 
+gsl/2.5		stable		gcc/9.1.0