diff --git a/kcalc.spec b/kcalc.spec
index 4a0d115..2613597 100644
--- a/kcalc.spec
+++ b/kcalc.spec
@@ -28,13 +28,16 @@ BuildRequires: kf5-kconfigwidgets-devel
 BuildRequires: kf5-kcoreaddons-devel
 BuildRequires: kf5-kdbusaddons-devel
 BuildRequires: kf5-kdeclarative-devel
+BuildRequires: kf5-kdoctools-devel
 BuildRequires: kf5-kguiaddons-devel
 BuildRequires: kf5-ki18n-devel
 BuildRequires: kf5-kiconthemes-devel
+BuildRequires: kf5-kinit-devel
 BuildRequires: kf5-kitemviews-devel
 BuildRequires: kf5-kio-devel
 BuildRequires: kf5-kjobwidgets-devel
 BuildRequires: kf5-knewstuff-devel
+BuildRequires: kf5-knotifications-devel
 BuildRequires: kf5-knotifyconfig-devel
 BuildRequires: kf5-knewstuff-devel
 BuildRequires: kf5-kservice-devel