diff --git a/.gitignore b/.gitignore
index e78112a..c7eeefb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /v2.1.1.tar.gz
 /v2.2.0.tar.gz
 /v3.4.0.tar.gz
+/libcommuni-3.5.0.tar.gz
diff --git a/libcommuni.spec b/libcommuni.spec
index 8daa47e..34e70bf 100644
--- a/libcommuni.spec
+++ b/libcommuni.spec
@@ -1,54 +1,71 @@
+%global optflags        %{optflags} -flto
+%global build_ldflags   %{build_ldflags} -flto
+
 Name:           libcommuni
-Version:        3.4.0
-Release:        11%{?dist}
-Summary:        Cross-platform IRC client library written with Qt 4
+Version:        3.5.0
+Release:        3%{?dist}
+Summary:        Cross-platform IRC framework written with Qt
+
 License:        LGPLv2+
 URL:            http://communi.github.com
-Source0:        https://github.com/communi/libcommuni/archive/v%{version}.tar.gz
-BuildRequires:  qt-devel
+Source0:        https://github.com/communi/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
+
 BuildRequires:  libicu-devel
-Obsoletes: libircclient-qt < 0.5.0-9
+BuildRequires:  qt5-qtdeclarative-devel
+BuildRequires:  pkgconfig(Qt5)
 
 %description
-Communi is a cross-platform IRC client library written with Qt 4.
+A cross-platform IRC framework written with Qt.
+
+Communi provides a set of tools for enabling IRC connectivity in Qt-based C++
+and QML applications.
+
+
+%package        devel
+Summary:        Devel files for %{name}
 
-%package devel
-Summary:        Cross-platform IRC client library written with Qt 4 (development files)
 Requires:       %{name}%{?_isa} = %{version}-%{release}
-Obsoletes: libircclient-qt-devel < 0.5.0-9
 
-%description devel
-Communi is a cross-platform IRC client library written with Qt 4.
+%description    devel
+Summary:        Devel files for %{name}.
+
 
 %prep
-%setup -q
+%autosetup -p1
+
 
 %build
-%{qmake_qt4} -config verbose -config no_examples -config no_rpath
-make %{_smp_mflags}
+%qmake_qt5
+%make_build
 
-%check
-LD_LIBRARY_PATH=%{buildroot}/%{_libdir} make check
 
 %install
-make INSTALL_ROOT=%{buildroot} install
+%make_install INSTALL_ROOT=%{buildroot}
+
 
-%ldconfig_scriptlets
+%check
+LD_LIBRARY_PATH=%{buildroot}%{_libdir} %make_build check
 
 
 %files
-%doc LICENSE AUTHORS README.md CHANGELOG
+%license LICENSE
+%doc AUTHORS README.md CHANGELOG
 %{_libdir}/libIrc*.so.*
-%{_libdir}/qt4/imports/Communi/
+%{_libdir}/qt5/qml/Communi/
 
 %files devel
-%doc doc/
-%{_includedir}/Communi/
+%doc doc/*
+%{_includedir}/qt5/Communi/
 %{_libdir}/libIrc*.so
-%{_libdir}/qt4/mkspecs/features/communi-config.prf
-%{_libdir}/qt4/mkspecs/features/communi.prf
+%{_libdir}/qt5/mkspecs/features/*.prf
+
 
 %changelog
+* Tue Dec 10 2019 Artem Polishchuk <ego.cordatus@gmail.com> - 3.5.0-3
+- Update to 3.5.0
+- Switch to Qt5
+- Unretire package
+
 * Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 3.4.0-11
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
 
diff --git a/sources b/sources
index 87c2af1..58cfd92 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-987fa2143324ab3f1843483053bf711f  v3.4.0.tar.gz
+SHA512 (libcommuni-3.5.0.tar.gz) = 4d62f7e5edd32b9121f2b69d15a4022ad5d6cf7136dc48d0a1ca4bd413b3334533d7734d6939906fa3426f8db9bc255696107ecada19875c60ce59990b54dee4