diff --git a/desktop/lxqt/qps/pspec.xml b/desktop/lxqt/qps/pspec.xml
index 193d11c495..2029ae8044 100644
--- a/desktop/lxqt/qps/pspec.xml
+++ b/desktop/lxqt/qps/pspec.xml
@@ -18,6 +18,7 @@
             <Dependency>qt5-x11extras-devel</Dependency>
             <Dependency>libXrender-devel</Dependency>
             <Dependency>qt5-linguist</Dependency>
+            <Dependency>kwindowsystem-devel</Dependency>
             <Dependency versionFrom="0.15.0">liblxqt-devel</Dependency>
             <Dependency versionFrom="0.7.0">lxqt-build-tools</Dependency>
         </BuildDependencies>