diff --git a/calligra.spec b/calligra.spec
index d81c4c9..04617ca 100644
--- a/calligra.spec
+++ b/calligra.spec
@@ -1,6 +1,6 @@
 Name:          calligra
-Version:       4.0.1
-Release:       2mamba
+Version:       24.12.0
+Release:       1mamba
 Epoch:         1
 Summary:       An integrated office suite built on the KDE platform (formerly known as koffice)
 Group:         Graphical Desktop/Applications/Office
@@ -8,7 +8,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://calligra.org/
-Source:        https://download.kde.org/stable/calligra/calligra-%{version}.tar.xz
+Source:        https://download.kde.org/%{stable_kf6}/release-service/%{version}/src/calligra-%{version}.tar.xz
 Source1:       calligra-autoupdate
 #Source2:       calligra-l10n-%{version}-langpacks.tar.xz
 License:       GPL, LGPL
@@ -366,6 +366,9 @@ This package provides the run-time library used by most of the Calligra componen
 %doc COPYING.LIB
 
 %changelog
+* Wed Dec 18 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 24.12.0-1mamba
+- update to 24.12.0
+
 * Wed Dec 18 2024 Automatic Build System <autodist@mambasoft.it> 4.0.1-2mamba
 - rebuilt by autoport with build requirements: libokular-devel>=0:24.12.0-1mamba