diff --git a/libksysguard.spec b/libksysguard.spec
index 403ef2f..3cfd6ab 100644
--- a/libksysguard.spec
+++ b/libksysguard.spec
@@ -36,6 +36,7 @@ BuildRequires:  cmake(Qt5DBus)
 BuildRequires:  cmake(Qt5Network)
 BuildRequires:  cmake(Qt5Widgets)
 BuildRequires:  cmake(Qt5X11Extras)
+BuildRequires:  cmake(Qt5WebChannel)
 # qt5 optional
 %ifarch %{qt5_qtwebengine_arches}
 BuildRequires:  cmake(Qt5WebEngineWidgets)