diff --git a/ncl.spec b/ncl.spec
index d7ef28c..e1d265c 100644
--- a/ncl.spec
+++ b/ncl.spec
@@ -1,6 +1,15 @@
+%if 0%{?fedora} >= 33
+%bcond_without flexiblas
+%endif
+%if %{with flexiblas}
+%global blaslib flexiblas
+%else
+%global blaslib openblas
+%endif
+
 Name:           ncl
 Version:        6.6.2
-Release:        13%{?dist}
+Release:        14%{?dist}
 Summary:        NCAR Command Language and NCAR Graphics
 
 License:        BSD
@@ -73,7 +82,7 @@ BuildRequires:  byacc, flex
 %if 0%{?fedora} || 0%{?rhel} >= 7
 BuildRequires:  flex-static
 %endif
-BuildRequires:  openblas-devel
+BuildRequires:  %{blaslib}-devel
 BuildRequires:  udunits2-devel
 Requires:       %{name}-common = %{version}-%{release}
 Requires:       udunits2
@@ -140,8 +149,8 @@ Example programs and data using NCL.
 %patch13 -p1 -b .includes
 %patch16 -p1 -b .secondary
 
-sed -ri -e 's,-lblas_ncl,-lopenblas,' \
-        -e 's,-llapack_ncl,-lopenblas,' config/Project
+sed -ri -e 's,-lblas_ncl,-l%{blaslib},' \
+        -e 's,-llapack_ncl,-l%{blaslib},' config/Project
 #Spurrious exec permissions
 find -name '*.[fh]' -exec chmod -x {} +
 
@@ -356,6 +365,9 @@ done
 
 
 %changelog
+* Fri Aug 14 2020 Iñaki Úcar <iucar@fedoraproject.org> - 6.6.2-14
+- https://fedoraproject.org/wiki/Changes/FlexiBLAS_as_BLAS/LAPACK_manager
+
 * Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 6.6.2-13
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild