diff --git a/.gitignore b/.gitignore
index 49ebcdc..9ea8efa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /kdevplatform-1.7.0.tar.xz
 /kdevplatform-1.7.1.tar.xz
 /kdevplatform-1.7.2.tar.xz
+/kdevplatform-4.90.90.tar.xz
diff --git a/kdevplatform.spec b/kdevplatform.spec
index 8037c07..7065058 100644
--- a/kdevplatform.spec
+++ b/kdevplatform.spec
@@ -1,29 +1,57 @@
-%define kdevelop_ver 4.7.1
+%define kdevelop_ver 4.90.90
 
 Name:           kdevplatform
 Summary:        Libraries for use by KDE development tools
-Version:        1.7.2
+Version:        4.90.90
 Release:        1%{?dist}
 
 License:        GPLv2
 URL:            https://projects.kde.org/projects/extragear/kdevelop/kdevplatform
-Source0:        http://download.kde.org/stable/kdevelop/%{kdevelop_ver}/src/kdevplatform-%{version}.tar.xz
+
+%global revision %(echo %{version} | cut -d. -f3)
+%if %{revision} >= 50
+%global stable unstable
+%else
+%global stable stable
+%endif
+Source0:        http://download.kde.org/%{stable}/kdevelop/%{kdevelop_ver}/src/kdevplatform-%{version}.tar.xz
 
 BuildRequires:  boost-devel
 BuildRequires:  gettext
-BuildRequires:  kdelibs4-devel
 BuildRequires:  pcre-devel
 BuildRequires:  subversion-devel
-BuildRequires:  qjson-devel
-BuildRequires:  grantlee-devel
-BuildRequires:  qtwebkit-devel
-
-Requires: %{name}-libs%{?_isa} = %{version}-%{release}
-%if 0%{?fedora}
-Requires: kate4-part
-%else
-Requires: kate-part
-%endif
+BuildRequires:  grantlee-qt5-devel
+BuildRequires:  libkomparediff2-devel
+
+BuildRequires:  kf5-rpm-macros
+BuildRequires:  extra-cmake-modules
+BuildRequires:  kf5-karchive-devel
+BuildRequires:  kf5-kconfig-devel
+BuildRequires:  kf5-kguiaddons-devel
+BuildRequires:  kf5-kwidgetsaddons-devel
+BuildRequires:  kf5-kiconthemes-devel
+BuildRequires:  kf5-ki18n-devel
+BuildRequires:  kf5-kitemmodels-devel
+BuildRequires:  kf5-kitemviews-devel
+BuildRequires:  kf5-kjobwidgets-devel
+BuildRequires:  kf5-kcmutils-devel
+BuildRequires:  kf5-kio-devel
+BuildRequires:  kf5-knewstuff-devel
+BuildRequires:  kf5-knotifications-devel
+BuildRequires:  kf5-knotifyconfig-devel
+BuildRequires:  kf5-kparts-devel
+BuildRequires:  kf5-kservice-devel
+BuildRequires:  kf5-sonnet-devel
+BuildRequires:  kf5-ktexteditor-devel
+BuildRequires:  kf5-threadweaver-devel
+BuildRequires:  kf5-kwindowsystem-devel
+BuildRequires:  kf5-kdeclarative-devel
+BuildRequires:  kf5-kxmlgui-devel
+
+BuildRequires:  qt5-qtbase-devel
+BuildRequires:  qt5-qtdeclarative-devel
+BuildRequires:  qt5-qtquick1-devel
+BuildRequires:  qt5-qtwebkit-devel
 
 %description
 KDE Development platform, the foundations upon which
@@ -32,7 +60,6 @@ KDevelop and Quanta are built.
 %package libs
 Summary: Runtime libraries for %{name}
 Requires: %{name} = %{version}-%{release}
-%{?_kde4_version:Requires: kdelibs4%{?_isa} >= %{_kde4_version}}
 %description libs
 %{summary}.
 
@@ -41,7 +68,6 @@ Summary:  Developer files for %{name}
 Requires: %{name}-libs%{?_isa} = %{version}-%{release}
 Requires: boost-devel
 Requires: commoncpp2-devel
-Requires: kdelibs4-devel
 Requires: subversion-devel
 %description devel
 %{summary}.
@@ -54,12 +80,11 @@ Requires: subversion-devel
 %build
 mkdir %{_target_platform}
 pushd %{_target_platform}
-%{cmake_kde4} ..
+%{cmake_kf5} ..
 popd
 
 make %{?_smp_mflags} -C %{_target_platform}
 
-
 %install
 make install/fast DESTDIR=%{buildroot} -C %{_target_platform}
 
@@ -80,32 +105,36 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &> /dev/null || :
 
 %files -f %{name}.lang
 %doc COPYING.PLUGINS COPYING.SRC
-%{_kde4_bindir}/kdev_dbus_socket_transformer
-%{_kde4_bindir}/kdev_format_source
-%{_kde4_bindir}/kdevplatform_shell_environment.sh
-%{_kde4_appsdir}/kdev*/
-%{_kde4_datadir}/kde4/services/*.desktop
-%{_kde4_datadir}/kde4/servicetypes/*.desktop
-%{_kde4_datadir}/kde4/apps/plasma/plasmoids/org.kdevelop.branches/
-%{_kde4_datadir}/config/*.knsrc
-%{_kde4_iconsdir}/hicolor/*/*/*
+%{_bindir}/kdev_dbus_socket_transformer
+%{_bindir}/kdev_format_source
+%{_bindir}/kdevplatform_shell_environment.sh
+%{_datadir}/icons/hicolor/*/*/*
+%{_datadir}/kdevcodegen/
+%{_datadir}/kdevcodeutils/
+%{_kf5_datadir}/kxmlgui5/
+%{_kf5_datadir}/kservicetypes5/kdevelopplugin.desktop
+%config %{_sysconfdir}/xdg/kdevfiletemplates.knsrc
+%config %{_sysconfdir}/xdg/kdevappwizard.knsrc
 
 %post libs -p /sbin/ldconfig
 %postun libs -p /sbin/ldconfig
 
 %files libs
-%{_kde4_libdir}/lib*.so.*
-%{_kde4_libdir}/kde4/*.so
-%{_kde4_libdir}/kde4/plugins/grantlee/0.[3,4,5]/*.so
-%{_kde4_libdir}/kde4/imports/org/kde/kdevplatform/
+%{_libdir}/lib*.so.*
+%{_libdir}/*.so
+%{_kf5_qtplugindir}/kdevplatform/*
+%{_kf5_qtplugindir}/grantlee/*/*.so
+%{_qt5_prefix}/qml/org/kde/kdevplatform/*
 
 %files devel
-%{_kde4_libdir}/lib*.so
-%{_kde4_includedir}/kdevplatform/
-%{_kde4_libdir}/cmake/kdevplatform/
-
+%{_libdir}/lib*.so
+%{_includedir}/kdevplatform/
+%{_libdir}/cmake/KDevPlatform
 
 %changelog
+* Thu Oct 29 2015 Jan Grulich <jgrulich@redhat.com> - 4.90.90-1
+- Update to 4.90.90 (beta 1)
+
 * Mon Oct 12 2015 Jan Grulich <jgrulich@redhat.com> - 1.7.2-1
 - Update to 1.7.2
 
diff --git a/sources b/sources
index bf547f2..a122add 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-d383257586476292e9eb5bfbb193acc0  kdevplatform-1.7.2.tar.xz
+383c49d77b19ba3ff8ee50d8ec8a9e31  kdevplatform-4.90.90.tar.xz