diff --git a/libdmtx.spec b/libdmtx.spec
index 74253ba..f0aff67 100644
--- a/libdmtx.spec
+++ b/libdmtx.spec
@@ -1,5 +1,5 @@
 Name:          libdmtx
-Version:       0.7.4
+Version:       0.7.5
 Release:       1mamba
 Summary:       A library for reading and writing Data Matrix 2D barcodes
 Group:         System/Libraries
@@ -7,7 +7,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Davide Madrisan <davide.madrisan@gmail.com>
 URL:           http://www.libdmtx.org/
-Source:        https://sourceforge.net/projects/libdmtx/files/libdmtx/%{version}/libdmtx-%{version}.tar.bz2
+Source:        https://github.com/dmtx/libdmtx.git/v%{version}/libdmtx-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -64,6 +64,7 @@ Data Matrix barcodes are two-dimensional symbols that hold a dense pattern of da
 
 %prep
 %setup -q
+./autogen.sh
 
 %build
 %configure --disable-static 
@@ -109,6 +110,9 @@ Data Matrix barcodes are two-dimensional symbols that hold a dense pattern of da
 #%{_mandir}/man1/dmtxwrite.1*
 
 %changelog
+* Fri Aug 02 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 0.7.5-1mamba
+- update to 0.7.5
+
 * Sun Jun 26 2011 Automatic Build System <autodist@mambasoft.it> 0.7.4-1mamba
 - automatic update by autodist