diff --git a/sonic-workspace.spec b/sonic-workspace.spec
index 8e5bfb7..cdcb81d 100644
--- a/sonic-workspace.spec
+++ b/sonic-workspace.spec
@@ -92,6 +92,8 @@ BuildRequires:  cmake(KWayland)
 BuildRequires:  cmake(Plasma)
 BuildRequires:  cmake(PlasmaQuick)
 BuildRequires:  cmake(LayerShellQt)
+BuildRequires:  cmake(KNightTime)
+
 
 BuildRequires:  pkgconfig(x11)
 BuildRequires:  pkgconfig(xau)