diff --git a/kio.spec b/kio.spec
index d95c496..d1e0746 100644
--- a/kio.spec
+++ b/kio.spec
@@ -22,30 +22,30 @@ Release:        0
 BuildRequires:  cmake >= 2.8.12
 BuildRequires:  extra-cmake-modules >= 0.0.10
 BuildRequires:  fdupes
-BuildRequires:  karchive-devel
-BuildRequires:  kbookmarks-devel
-BuildRequires:  kcompletion-devel
-BuildRequires:  kconfigwidgets-devel
-BuildRequires:  kcoreaddons-devel
-BuildRequires:  kcrash-devel
-BuildRequires:  kdbusaddons-devel
-BuildRequires:  kdoctools-devel
+BuildRequires:  karchive-devel >= %{_kf5_version}
+BuildRequires:  kbookmarks-devel >= %{_kf5_version}
+BuildRequires:  kcompletion-devel >= %{_kf5_version}
+BuildRequires:  kconfigwidgets-devel >= %{_kf5_version}
+BuildRequires:  kcoreaddons-devel >= %{_kf5_version}
+BuildRequires:  kcrash-devel >= %{_kf5_version}
+BuildRequires:  kdbusaddons-devel >= %{_kf5_version}
+BuildRequires:  kdoctools-devel >= %{_kf5_version}
 BuildRequires:  kf5-filesystem
-BuildRequires:  kguiaddons-devel
-BuildRequires:  ki18n-devel
-BuildRequires:  kiconthemes-devel
-BuildRequires:  kitemviews-devel
-BuildRequires:  kjobwidgets-devel
-BuildRequires:  knotifications-devel
+BuildRequires:  kguiaddons-devel >= %{_kf5_version}
+BuildRequires:  ki18n-devel >= %{_kf5_version}
+BuildRequires:  kiconthemes-devel >= %{_kf5_version}
+BuildRequires:  kitemviews-devel >= %{_kf5_version}
+BuildRequires:  kjobwidgets-devel >= %{_kf5_version}
+BuildRequires:  knotifications-devel >= %{_kf5_version}
 BuildRequires:  krb5-devel
-BuildRequires:  kservice-devel
-BuildRequires:  ktextwidgets-devel
-BuildRequires:  kwidgetsaddons-devel
-BuildRequires:  kwindowsystem-devel
-BuildRequires:  kxmlgui-devel
+BuildRequires:  kservice-devel >= %{_kf5_version}
+BuildRequires:  ktextwidgets-devel >= %{_kf5_version}
+BuildRequires:  kwidgetsaddons-devel >= %{_kf5_version}
+BuildRequires:  kwindowsystem-devel >= %{_kf5_version}
+BuildRequires:  kxmlgui-devel >= %{_kf5_version}
 BuildRequires:  libacl-devel
 BuildRequires:  libattr-devel
-BuildRequires:  solid-devel
+BuildRequires:  solid-devel >= %{_kf5_version}
 BuildRequires:  pkgconfig(Qt5Concurrent) >= 5.2.0
 BuildRequires:  pkgconfig(Qt5Core) >= 5.2.0
 BuildRequires:  pkgconfig(Qt5DBus) >= 5.2.0
@@ -73,12 +73,12 @@ Summary:        KDE Core Libraries: Build Environment
 Group:          Development/Libraries/KDE
 Requires:       %{name} = %{version}
 Requires:       extra-cmake-modules
-Requires:       kbookmarks-devel
-Requires:       kcompletion-devel
-Requires:       kjobwidgets-devel
-Requires:       kservice-devel
-Requires:       kxmlgui-devel
-Requires:       solid-devel
+Requires:       kbookmarks-devel >= %{_kf5_version}
+Requires:       kcompletion-devel >= %{_kf5_version}
+Requires:       kjobwidgets-devel >= %{_kf5_version}
+Requires:       kservice-devel >= %{_kf5_version}
+Requires:       kxmlgui-devel >= %{_kf5_version}
+Requires:       solid-devel >= %{_kf5_version}
 Requires:       pkgconfig(Qt5Network) >= 5.2.0
 
 %description devel