diff --git a/libqalculate.spec b/libqalculate.spec
index ee6b33e..9005312 100644
--- a/libqalculate.spec
+++ b/libqalculate.spec
@@ -1,5 +1,5 @@
 Name:          libqalculate
-Version:       3.9.0
+Version:       3.9.0a
 Release:       1mamba
 Summary:       Multi-purpose calculator library 
 Group:         System/Libraries
@@ -7,7 +7,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Davide Madrisan <davide.madrisan@gmail.com>
 URL:           http://qalculate.sourceforge.net/
-Source:        https://github.com/Qalculate/libqalculate/releases/download/v%{version}/libqalculate-%{version}.tar.gz
+Source:        https://github.com/Qalculate/libqalculate.git/v%{version}/libqalculate-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: cln-devel
@@ -51,6 +51,7 @@ This package provides the text-mode interface for Qalculate!
 
 %prep
 %setup -q
+./autogen.sh
 
 %build
 %configure
@@ -93,6 +94,9 @@ This package provides the text-mode interface for Qalculate!
 %{_mandir}/man1/qalc.1*
 
 %changelog
+* Fri Apr 17 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 3.9.0a-1mamba
+- update to 3.9.0a
+
 * Tue Apr 14 2020 Automatic Build System <autodist@mambasoft.it> 3.9.0-1mamba
 - automatic version update by autodist