diff --git a/brewtarget.spec b/brewtarget.spec
index 9b9b5d0..dce14eb 100644
--- a/brewtarget.spec
+++ b/brewtarget.spec
@@ -1,16 +1,22 @@
 Name:          brewtarget
-Version:       2.3.0
+Version:       2.3.1
 Release:       1mamba
 Summary:       A free brewing software, and an open source beer recipe creation
 Group:         Graphical Desktop/Applications/Utilities
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://www.brewtarget.org/
-Source:        https://launchpad.net/brewtarget/trunk/%{version}/+download/brewtarget_%{version}.orig.tar.xz
+URL:           https://www.brewtarget.org/
+Source:        https://github.com/Brewtarget/brewtarget.git/v%{version}/brewtarget-%{version}.tar.bz2
+#Source:        https://launchpad.net/brewtarget/trunk/%{version}/+download/brewtarget_%{version}.orig.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
-## note: run 'autospec -u -a6 brewtarget' to get the list of build requirements.
+BuildRequires: glibc-devel
+BuildRequires: ldconfig
+BuildRequires: libQt5WebKit-devel
+BuildRequires: libgcc
+BuildRequires: libqt5-devel
+BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 BuildRequires: libsqlite-tools
@@ -29,7 +35,10 @@ It also can export and import recipes in BeerXML.
 
 %build
 %cmake -d build \
-   -DDO_RELEASE_BUILD:BOOL=ON 
+   -Wno-dev
+
+#   -DDO_RELEASE_BUILD:BOOL=ON \
+#   -DCMAKE_CXX_FLAGS="%{optflags} -std=c++11" \
 
 %make
 
@@ -39,7 +48,6 @@ It also can export and import recipes in BeerXML.
 install -m 0644 -Dp doc/brewtarget.1 %{buildroot}%{_mandir}/man1/brewtarget.1	
 desktop-file-validate %buildroot%{_datadir}/applications/%{name}.desktop
 
-
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
@@ -55,6 +63,9 @@ desktop-file-validate %buildroot%{_datadir}/applications/%{name}.desktop
 %doc COPYRIGHT COPYING.GPLv3 COPYING.WTFPL
 
 %changelog
+* Thu Feb 11 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 2.3.1-1mamba
+- update to 2.3.1
+
 * Thu Mar 03 2016 Automatic Build System <autodist@mambasoft.it> 2.3.0-1mamba
 - automatic update by autodist