diff --git a/gnu/packages/kde.scm b/gnu/packages/kde.scm
index 44b3b10606..59f3b1052b 100644
--- a/gnu/packages/kde.scm
+++ b/gnu/packages/kde.scm
@@ -1361,6 +1361,7 @@ different notification systems.")
            qtdeclarative
            qtmultimedia
            qtwayland
+           sonnet
            wayland
            modemmanager-qt
            libxkbcommon))