diff --git a/kgamma5.spec b/kgamma5.spec
index 673d79b..0b6fb89 100644
--- a/kgamma5.spec
+++ b/kgamma5.spec
@@ -25,15 +25,17 @@ License:        GPL-2.0+
 Group:          Productivity/Graphics/Other
 Url:            http://www.kde.org
 Source0:        %{name}-%{version}.tar.xz
-BuildRequires:  extra-cmake-modules
-BuildRequires:  kdelibs4support-devel
-BuildRequires:  kdoctools-devel
+BuildRequires:  extra-cmake-modules >= 1.0.0
 BuildRequires:  kf5-filesystem
 BuildRequires:  xz
-BuildRequires:  pkgconfig(Qt5Core) >= 5.4.0
-BuildRequires:  pkgconfig(Qt5Gui) >= 5.4.0
-BuildRequires:  pkgconfig(Qt5Widgets) >= 5.4.0
-BuildRequires:  pkgconfig(Qt5X11Extras) >= 5.4.0
+BuildRequires:  cmake(KF5DocTools)
+BuildRequires:  cmake(KF5I18n)
+BuildRequires:  cmake(KF5KDELibs4Support)
+BuildRequires:  cmake(Qt5Core) >= 5.4.0
+BuildRequires:  cmake(Qt5Gui) >= 5.4.0
+BuildRequires:  cmake(Qt5Widgets) >= 5.4.0
+BuildRequires:  cmake(Qt5X11Extras) >= 5.4.0
+BuildRequires:  pkgconfig(x11)
 %if %{with lang}
 Recommends:     %{name}-lang
 %endif