diff --git a/nixos/modules/services/x11/desktop-managers/plasma5.nix b/nixos/modules/services/x11/desktop-managers/plasma5.nix
index d1cb962f6ff8..e759f69db897 100644
--- a/nixos/modules/services/x11/desktop-managers/plasma5.nix
+++ b/nixos/modules/services/x11/desktop-managers/plasma5.nix
@@ -81,6 +81,7 @@ in
           kconfig
           kconfigwidgets
           kcoreaddons
+          kdoctools
           kdbusaddons
           kdeclarative
           kded