diff --git a/qt6-qtserialbus.spec b/qt6-qtserialbus.spec
index 7230e24..8b1142f 100644
--- a/qt6-qtserialbus.spec
+++ b/qt6-qtserialbus.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          qt6-qtserialbus
-Version:       6.2.3
+Version:       6.2.4
 Release:       1mamba
 Summary:       Qt6 serial bus components
 Group:         System/Libraries
@@ -13,7 +13,6 @@ Source:        https://download.qt.io/official_releases/qt/%{majver}/%{version}/
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libQt6SerialPort-devel
 BuildRequires: libgcc
 BuildRequires: libstdc++6-devel
 BuildRequires: qt6-qtbase-devel
@@ -77,6 +76,9 @@ DESTDIR="%{buildroot}" cmake --install build
 %{_libdir}/cmake/Qt6SerialBusTools/Qt6SerialBusTools*.cmake
 
 %changelog
+* Sat Mar 19 2022 Automatic Build System <autodist@mambasoft.it> 6.2.4-1mamba
+- automatic version update by autodist
+
 * Sat Feb 26 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 6.2.3-1mamba
 - update to 6.2.3