diff --git a/rocs.spec b/rocs.spec
index 4b9bccb..9c6e9c0 100644
--- a/rocs.spec
+++ b/rocs.spec
@@ -1,5 +1,5 @@
 Name:          rocs
-Version:       19.08.3
+Version:       19.12.0
 Release:       1mamba
 Summary:       Graph Theory Tool for Professors and Students
 Group:         Graphical Desktop/Applications/Educational
@@ -7,7 +7,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Davide Madrisan <davide.madrisan@gmail.com>
 URL:           http://www.kde.org/applications/education/rocs
-Source:        http://download.kde.org/stable/applications/%{version}/src/rocs-%{version}.tar.xz
+Source:        http://download.kde.org/stable/release-service/%{version}/src/rocs-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -123,6 +123,9 @@ exit 0
 %{_libdir}/librocsgraphtheory.so
 
 %changelog
+* Tue Dec 31 2019 Automatic Build System <autodist@mambasoft.it> 19.12.0-1mamba
+- automatic version update by autodist
+
 * Fri Nov 08 2019 Automatic Build System <autodist@mambasoft.it> 19.08.3-1mamba
 - automatic version update by autodist