diff --git a/kde-frameworks/kwindowsystem/kwindowsystem-6.20.0.ebuild b/kde-frameworks/kwindowsystem/kwindowsystem-6.20.0.ebuild
index 58359e55704e2..3110a9c097ea9 100644
--- a/kde-frameworks/kwindowsystem/kwindowsystem-6.20.0.ebuild
+++ b/kde-frameworks/kwindowsystem/kwindowsystem-6.20.0.ebuild
@@ -39,7 +39,14 @@ DEPEND="${RDEPEND}
 	)
 "
 RDEPEND+=" wayland? ( || ( >=dev-qt/qtbase-6.10:6[wayland] <dev-qt/qtwayland-6.10:6 ) )"
-BDEPEND=">=dev-qt/qttools-${QTMIN}:6[linguist]"
+BDEPEND="
+	>=dev-qt/qttools-${QTMIN}:6[linguist]
+	wayland? (
+		>=dev-qt/qtbase-${QTMIN}:6[wayland]
+		dev-util/wayland-scanner
+	)
+"
+BDEPEND+=" wayland? ( || ( >=dev-qt/qtbase-6.10:6[wayland] <dev-qt/qtwayland-6.10:6 ) )"
 
 DOCS=( docs/README.kstartupinfo )
 
diff --git a/kde-frameworks/kwindowsystem/kwindowsystem-6.21.0.ebuild b/kde-frameworks/kwindowsystem/kwindowsystem-6.21.0.ebuild
index ecfc47e77e7af..17813bbffbf97 100644
--- a/kde-frameworks/kwindowsystem/kwindowsystem-6.21.0.ebuild
+++ b/kde-frameworks/kwindowsystem/kwindowsystem-6.21.0.ebuild
@@ -39,7 +39,14 @@ DEPEND="${RDEPEND}
 	)
 "
 RDEPEND+=" wayland? ( || ( >=dev-qt/qtbase-6.10:6[wayland] <dev-qt/qtwayland-6.10:6 ) )"
-BDEPEND=">=dev-qt/qttools-${QTMIN}:6[linguist]"
+BDEPEND="
+	>=dev-qt/qttools-${QTMIN}:6[linguist]
+	wayland? (
+		>=dev-qt/qtbase-${QTMIN}:6[wayland]
+		dev-util/wayland-scanner
+	)
+"
+BDEPEND+=" wayland? ( || ( >=dev-qt/qtbase-6.10:6[wayland] <dev-qt/qtwayland-6.10:6 ) )"
 
 DOCS=( docs/README.kstartupinfo )