diff --git a/umbrello.spec b/umbrello.spec
index cf015bf..dfff48f 100644
--- a/umbrello.spec
+++ b/umbrello.spec
@@ -1,5 +1,5 @@
 Name:          umbrello
-Version:       23.08.4
+Version:       23.08.5
 Release:       1mamba
 Summary:       UML modelling tool and code generator
 Group:         Graphical Desktop/Applications/Development
@@ -7,7 +7,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://kde.org/
-Source:        http://download.kde.org/stable/release-service/%{version}/src/umbrello-%{version}.tar.xz
+Source:        https://download.kde.org/%{stable_kde6}/release-service/%{version}/src/umbrello-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -55,42 +55,42 @@ UML modelling tool and code generator. This package is part of KDE.
 %setup -q
 
 %build
-%cmake_kde5 -d build \
+%cmake_kf6\
    -DKDE4_BUILD_TESTS=OFF \
    -DBUILD_UNITTESTS=OFF \
    -DQT_DOC_DIR=%{_qt5_docdir}
 
-%make
+%cmake_build
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-%makeinstall -C build
+%cmake_install
 
-%find_lang %{name}5_qt --with-qt --with-man --with-html --all-name || touch %{name}5_qt.lang
+%find_lang %{name} --with-qt --with-man --with-html --all-name || touch %{name}.lang
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
 %post
-touch --no-create %{_kde5_icondir}/hicolor >/dev/null 2>&1
+touch --no-create %{_kf6_icondir}/hicolor >/dev/null 2>&1
 exit 0
 
 %posttrans
 update-desktop-database -q >/dev/null 2>&1
-update-mime-database -n %{_kde5_mimedir} >/dev/null 2>&1
-gtk-update-icon-cache %{_kde5_icondir}/hicolor >/dev/null 2>&1
+update-mime-database -n %{_kf6_mimedir} >/dev/null 2>&1
+gtk-update-icon-cache %{_kf6_icondir}/hicolor >/dev/null 2>&1
 exit 0
 
 %postun
 if [ $1 -eq 0 ]; then
    update-desktop-database -q >/dev/null 2>&1
-   update-mime-database -n %{_kde5_mimedir} >/dev/null 2>&1
-   touch --no-create %{_kde5_icondir}/hicolor >/dev/null 2>&1
-   gtk-update-icon-cache %{_kde5_icondir}/hicolor >/dev/null 2>&1
+   update-mime-database -n %{_kf6_mimedir} >/dev/null 2>&1
+   touch --no-create %{_kf6_icondir}/hicolor >/dev/null 2>&1
+   gtk-update-icon-cache %{_kf6_icondir}/hicolor >/dev/null 2>&1
 fi
 exit 0
 
-%files -f %{name}5_qt.lang
+%files -f %{name}.lang
 %defattr(-,root,root)
 %{_bindir}/po2xmi5
 %{_bindir}/umbrello5
@@ -106,6 +106,9 @@ exit 0
 %doc AUTHORS COPYING COPYING.DOC THANKS
 
 %changelog
+* Fri Feb 16 2024 Automatic Build System <autodist@openmamba.org> 23.08.5-1mamba
+- automatic version update by autodist
+
 * Fri Dec 08 2023 Automatic Build System <autodist@mambasoft.it> 23.08.4-1mamba
 - automatic version update by autodist