diff --git a/debian/control b/debian/control
index bdaaf7d..a7c373b 100644
--- a/debian/control
+++ b/debian/control
@@ -13,6 +13,7 @@ Build-Depends: debhelper (>=9.0.0),
                libxapian-dev,
                libquazip5-dev,
                libglib2.0-dev,
+               libkf5windowsystem-dev,
                libgsettings-qt-dev
 Standards-Version: 4.5.0
 Homepage: https://www.ukui.org/