diff --git a/polkit-kde.spec b/polkit-kde.spec
index 8b900f7..0c4409f 100644
--- a/polkit-kde.spec
+++ b/polkit-kde.spec
@@ -29,6 +29,7 @@ BuildRequires:  kf5-kcrash-devel
 BuildRequires:  kf5-kconfig-devel
 BuildRequires:  kf5-kiconthemes-devel
 BuildRequires:  kf5-knotifications-devel
+BuildRequires:  kf5-kdeclarative-devel
 
 BuildRequires:  polkit-qt5-1-devel