diff --git a/guitarix2-0.42.1-gcc-11.0.patch b/guitarix2-0.42.1-gcc-11.0.patch
deleted file mode 100644
index 345f5e9..0000000
--- a/guitarix2-0.42.1-gcc-11.0.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/src/headers/gx_system.h b/src/headers/gx_system.h
-index d334ecfc..88d97567 100644
---- a/src/headers/gx_system.h
-+++ b/src/headers/gx_system.h
-@@ -132,7 +132,7 @@ inline T *atomic_get(T*& p) {
- 
- template <class T>
- inline bool atomic_compare_and_exchange(T **p, T *oldv, T *newv) {
--    return g_atomic_pointer_compare_and_exchange(reinterpret_cast<void* volatile*>(p), static_cast<void*>(oldv), newv);
-+    return g_atomic_pointer_compare_and_exchange(reinterpret_cast<void**>(p), static_cast<void*>(oldv), newv);
- }
- 
- 
diff --git a/guitarix2.spec b/guitarix2.spec
index eb3821a..9f70a01 100644
--- a/guitarix2.spec
+++ b/guitarix2.spec
@@ -1,5 +1,5 @@
 Name:          guitarix2
-Version:       0.44.1
+Version:       0.45.0
 Release:       1mamba
 Summary:       A simple mono amplifier to be used in a 'JACKified' environment
 Group:         Graphical Desktop/Applications/Multimedia
@@ -7,13 +7,12 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://guitarix.org/
-Source:        http://downloads.sourceforge.net/project/guitarix/guitarix/guitarix2-%{version}.tar.xz
-Patch0:        guitarix2-0.42.1-gcc-11.0.patch
+Source:        https+git://github.com/brummer10/guitarix.git/V%{version}/guitarix-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: libX11-devel
-BuildRequires: libatk-devel
+BuildRequires: libat-spi2-core-devel
 BuildRequires: libatkmm1-devel
 BuildRequires: libavahi-devel
 BuildRequires: libavahi-glib-devel
@@ -42,12 +41,12 @@ BuildRequires: libsndfile-devel
 BuildRequires: libsord-devel
 BuildRequires: libsratom-devel
 BuildRequires: libstdc++6-devel
-BuildRequires: libzita-convolver-devel
-BuildRequires: libzita-resampler-devel
 ## AUTOBUILDREQ-END
 BuildRequires: eigen3-devel
 BuildRequires: faust
+BuildRequires: ttf-roboto
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      ttf-roboto
 Provides:      guitarix
 
 %description
@@ -73,17 +72,21 @@ This package contains libraries and header files for developing applications tha
 
 %prep
 %setup -q -n guitarix-%{version}
-#%patch0 -p1
 
 %build
+cd trunk
 ./waf configure \
    --prefix=%{_prefix} \
-   --libdir=%{_libdir}
+   --libdir=%{_libdir} \
+   --includeresampler \
+   --includeconvolver \
+   --optimization
 
 ./waf build %{_smp_mflags}
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+cd trunk
 ./waf install --destdir=%{buildroot}
 
 %find_lang guitarix || touch %{name}.lang
@@ -94,7 +97,7 @@ This package contains libraries and header files for developing applications tha
 %post -n lib%{name} -p /sbin/ldconfig
 %postun -n lib%{name} -p /sbin/ldconfig
 
-%files -f guitarix.lang
+%files -f trunk/guitarix.lang
 %defattr(-,root,root)
 %{_bindir}/guitarix
 %{_datadir}/applications/guitarix.desktop
@@ -114,26 +117,21 @@ This package contains libraries and header files for developing applications tha
 %{_datadir}/gx_head/sounds/bands/*.wav
 %{_datadir}/gx_head/sounds/bands/LICENSE
 %{_datadir}/gx_head/sounds/greathall.wav
-#%{_datadir}/ladspa/rdf/guitarix.rdf
-#%{_datadir}/ladspa/rdf/guitarix_amp.rdf
 %{_datadir}/pixmaps/*.png
-%doc COPYING
+%doc trunk/COPYING
 
 %files -n lib%{name}
 %defattr(-,root,root)
-#%{_libdir}/ladspa/guitarix*.so
-#%{_libdir}/ladspa/ladspa_guitarix.so
 %{_libdir}/libgxw.so
 %{_libdir}/libgxw.so.*
 %{_libdir}/libgxwmm.so
 %{_libdir}/libgxwmm.so.*
 %{_libdir}/lv2/*
 
-#%files -n lib%{name}-devel
-#%defattr(-,root,root)
-#%doc README README.developers
-
 %changelog
+* Sat Mar 09 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 0.45.0-1mamba
+- update to 0.45.0
+
 * Tue May 03 2022 Automatic Build System <autodist@mambasoft.it> 0.44.1-1mamba
 - automatic version update by autodist