diff --git a/.gitignore b/.gitignore
index 1d97d89..125b89b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ texworks-0.2.3.tar.gz
 /texworks-0.4.3-r858.tar.gz
 /texworks-0.4.4-r1004.tar.gz
 /texworks-0.4.5-r1281.tar.gz
+/texworks-release-0.4.6.tar.gz
diff --git a/sources b/sources
index e26003b..bf8591b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-04f3939501f6935c0f24f10042993d26  texworks-0.4.5-r1281.tar.gz
+1ac0db22ce2185f01a844eb99cee33c4  texworks-release-0.4.6.tar.gz
diff --git a/texworks.spec b/texworks.spec
index 54f740e..2d473b3 100644
--- a/texworks.spec
+++ b/texworks.spec
@@ -1,23 +1,19 @@
-%global rev 1281
-%global py_ver %(%{__python} -c "import sys;sys.stdout.write(sys.version[:3])")
-
 Name:           texworks
-Version:        0.4.5
-Release:        5%{?dist}
+Version:        0.4.6
+Release:        1%{?dist}
 Summary:        A simple IDE for authoring TeX documents
 
-
 Group:          Applications/Editors
 License:        GPLv2+
 URL:            http://tug.org/texworks/
-Source0:        http://texworks.googlecode.com/files/%{name}-%{version}-r%{rev}.tar.gz
+Source0:        https://github.com/TeXworks/texworks/archive/release-%{version}/texworks-release-%{version}.tar.gz
 
 BuildRequires:  hunspell-devel
 BuildRequires:  poppler-qt4-devel
 BuildRequires:  python2-devel
 BuildRequires:  lua-devel
 BuildRequires:  desktop-file-utils
-BuildRequires:  perl
+BuildRequires:  cmake
 
 # Description adopted from Debian with modification
 %description
@@ -28,51 +24,20 @@ simple interface accessible to casual and non-technical users.
 You may install the texlive-* packages to make this program useful.
 
 %prep
-%setup -q
-# pkg-config file of Lua
-perl -pi -e 's/(?<=lua)5\..*//' plugins-src/TWLuaPlugin/TWLuaPlugin.pro
-# Python version
-perl -pi -e 's/2\.6/%{py_ver}/' plugins-src/TWPythonPlugin/TWPythonPlugin.pro
+%setup -q -n %{name}-release-%{version}
 
 %build
-# build Lua scripting plugin
-pushd plugins-src/TWLuaPlugin/
-%_qt4_qmake TW_PLUGINPATH=%{_libdir}/texworks
+mkdir build
+pushd build
+%cmake .. -DWITH_PYTHON=ON -DTW_BUILD_ID=Fedora -DTeXworks_DIC_DIR=%{_datadir}/myspell -DTeXworks_PLUGIN_DIR=%{_libdir}/texworks -DCMAKE_BUILD_TYPE=RelWithDebInfo
 make %{?_smp_mflags}
 popd
 
-# build Python scripting plugin
-pushd plugins-src/TWPythonPlugin/
-%_qt4_qmake TW_PLUGINPATH=%{_libdir}/texworks
-make %{?_smp_mflags}
-popd
-
-# build the main program
-%_qt4_qmake INSTALL_PREFIX=%{_prefix} DOCS_DIR=%{_docdir}/%{name} \
-            TW_PLUGINPATH=%{_libdir}/texworks \
-            TW_DICPATH=%{_datadir}/myspell \
-            TW_BUILD_ID=Fedora
-make %{?_smp_mflags}
-
-
 %install
-rm -rf %{buildroot}
-# install Lua scripting plugin
-pushd plugins-src/TWLuaPlugin/
-make install INSTALL_ROOT=%{buildroot}
+pushd build
+%make_install INSTALL="install -p"
 popd
 
-# install Python scripting plugin
-pushd plugins-src/TWPythonPlugin/
-make install INSTALL_ROOT=%{buildroot}
-popd
-
-# install the main program
-make install INSTALL_ROOT=%{buildroot}
-
-%clean
-rm -rf %{buildroot}
-
 %post
 update-desktop-database &> /dev/null || :
 
@@ -80,17 +45,19 @@ update-desktop-database &> /dev/null || :
 update-desktop-database &> /dev/null || :
 
 %files
-%defattr(-,root,root,-)
 %{_docdir}/%{name}/
-%doc %{_datadir}/texworks-help/
 %{_bindir}/%{name}
 %{_libdir}/%{name}/
 %{_mandir}/man1/%{name}.1*
 %{_datadir}/applications/%{name}.desktop
 %{_datadir}/pixmaps/*
+%{_datadir}/appdata/*
 
 
 %changelog
+* Sat Apr 11 2015 Robin Lee <cheeselee@fedoraproject.org> - 0.4.6-1
+- Update to 0.4.6
+
 * Mon Aug 18 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.4.5-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild