diff --git a/glicid/packages/maths.scm b/glicid/packages/maths.scm
index 7534400..af59b5e 100644
--- a/glicid/packages/maths.scm
+++ b/glicid/packages/maths.scm
@@ -5,6 +5,7 @@
   #:use-module (gnu packages commencement)
   #:use-module (gnu packages mpi)
   #:use-module (guix download)
+  #:use-module (guix git-download)
 )
 
 ;;;;;;;;
@@ -14,20 +15,22 @@
   (package
     (inherit scalapack) 
     (name "scalapack-newer")
-    (version "2.1.0")
+    (version "2.1.0-upstrean") ;; need this for compilation > gcc 9
     (source (origin
-             (method url-fetch)
-
-             (uri (string-append "http://www.netlib.org/scalapack/scalapack-"
-                           version ".tgz"))
-
+             (method git-fetch)
+              (uri (git-reference
+              (url "https://github.com/Reference-ScaLAPACK/scalapack.git")
+              (commit "3f898b5f1225c9eee271ae6ac6c351ef84f860af")
+             ))
              (sha256
               (base32
-               "19i0h9vdc3zsy58r6fy1vs2kz2l7amifkz0cf926j90xz1n23nb1"))))
+               "02q791g1sfic4k3ih31z07pnzhld09wyq524bicx6jx1aw8s7k4b"))))
     
+    )
   )
-)
 
 (define-public scalapack-latest scalapack-newer)
 
+;; scalapack-newer
+
 ;;; glicid/maths.scm ends here