diff --git a/qt5-qtbase.spec b/qt5-qtbase.spec
index bccb411..404daac 100644
--- a/qt5-qtbase.spec
+++ b/qt5-qtbase.spec
@@ -20,7 +20,7 @@
 %endif
 
 Name:          qt5-qtbase
-Version:       5.15.7.20221110git.51258629
+Version:       5.15.7.20221224git.e2c2a352
 Release:       1mamba
 Summary:       A multiplatform, C++ GUI application development framework
 Group:         System/Libraries
@@ -55,6 +55,7 @@ BuildRequires: libat-spi2-core-devel
 BuildRequires: libcairo-devel
 BuildRequires: libcups-devel
 BuildRequires: libdbus-devel
+BuildRequires: libdouble-conversion-devel
 BuildRequires: libdrm-devel
 BuildRequires: libfontconfig-devel
 BuildRequires: libfreetds-devel
@@ -65,6 +66,7 @@ BuildRequires: libglib-devel
 BuildRequires: libglvnd-devel
 BuildRequires: libgtk3-devel
 BuildRequires: libharfbuzz-devel
+BuildRequires: libicu-devel
 BuildRequires: libinput-devel
 BuildRequires: libjpeg-devel
 BuildRequires: libkrb5-devel
@@ -74,11 +76,13 @@ BuildRequires: libmtdev-devel
 BuildRequires: libodbc-devel
 BuildRequires: libopenssl-devel
 BuildRequires: libpango-devel
+BuildRequires: libpcre2-devel
 BuildRequires: libperl
 BuildRequires: libpng-devel
 BuildRequires: libpostgresql-devel
 BuildRequires: libsqlite-devel
 BuildRequires: libstdc++6-devel
+BuildRequires: libsystemd-devel
 BuildRequires: libts-devel
 BuildRequires: libudev-devel
 BuildRequires: libxcb-devel
@@ -128,16 +132,6 @@ This package contains all plugins that don't have their own package yet.
 %package -n libQt5Core
 Group:         System/Libraries
 Summary:       Qt5 core library
-%if "%{_qt5_libdir}" != "%{_libdir}"
-Prereq:        /etc/ld.so.conf.d
-%endif
-#Provides:      libqt = %{version}
-#Provides:      libqt5 = %{version}
-#Provides:      qt = %{version}
-#Provides:      qt5 = %{version}
-#Provides:      qt5-x11 = %{version}
-#Provides:      libqt5
-#Requires:      libicu
 Requires:      %{name}-common = %{?epoch:%epoch:}%{version}-%{release}
 
 %description -n libQt5Core
@@ -411,6 +405,9 @@ This package contains the Sybase and Microsoft SQL plugin.
 # Don't clean build at the end
 %global __spec_rmbuild_cmd /bin/true
 
+# FIXME: workaround for requirements not extracted by rpmdeps from libQt5Core.so.5.15.7
+%global __brp_elfperms /bin/true
+
 %debug_package
 
 %prep
@@ -545,7 +542,7 @@ popd
 %endif
 
 # install file with rpm macros
-install -d %{buildroot}%{_sysconfdir}/rpm
+install -d %{buildroot}%{_rpmmacrodir}
 echo "\
 %%_qt5_version        %{version}
 %%_qt5_prefix         %%{_libdir}/qt5
@@ -560,14 +557,14 @@ echo "\
 %%_qt5_sysconfdir     %%{_sysconfdir}/xdg
 %%_qt5_translationdir %%{_qt5_datadir}/translations
 %%_qt5_qmake          %%{_qt5_bindir}/qmake" \
-   > %{buildroot}%{_sysconfdir}/rpm/macros.qt5
+   > %{buildroot}%{_rpmmacrodir}/macros.qt5
 
 %if "%{build_qtwebengine}" != "1"
 rm -f %{buildroot}%{_qt5_translationdir}/qtwebengine_*.qm
 %endif
 
-# Workaround for qmake creating wrong .la files (since 5.13.0)
-rm -f %{buildroot}%{_libdir}/*.la
+## Workaround for qmake creating wrong .la files (since 5.13.0)
+#rm -f %{buildroot}%{_libdir}/*.la
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf %{buildroot}
@@ -714,9 +711,9 @@ rm -f %{buildroot}%{_libdir}/*.la
 
 %files devel
 %defattr(-,root,root)
-%{_sysconfdir}/rpm/macros.qt5
 %{_sysconfdir}/profile.d/%{name}.csh
 %{_sysconfdir}/profile.d/%{name}.sh
+%{_rpmmacrodir}/macros.qt5
 %{_bindir}/fixqt4headers.pl*
 %{_bindir}/syncqt.pl*
 %{_bindir}/moc*
@@ -787,6 +784,10 @@ rm -f %{buildroot}%{_libdir}/*.la
 %endif
 
 %changelog
+* Mon Jan 02 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 5.15.7.20221224git.e2c2a352-1mamba
+- update to 5.15.7.20221224git.e2c2a352
+- libQt5Core: fix for missing requirements
+
 * Fri Nov 11 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 5.15.7.20221110git.51258629-1mamba
 - update to 5.15.7.20221110git.51258629
 - qt5-qtbase-plugins: require qt5-qtimageformats