diff --git a/gnu/packages/display-managers.scm b/gnu/packages/display-managers.scm
index 5536b70b1efb916617061b5b8e5c8b59abe18b04..0c355d860251abec294d3be1f4bc920404b54574 100644
--- a/gnu/packages/display-managers.scm
+++ b/gnu/packages/display-managers.scm
@@ -175,6 +175,7 @@ (define-public lightdm
        ("pkg-config" ,pkg-config)
        ("itstool" ,itstool)
        ("intltool" ,intltool)
+       ("vala" ,vala)                   ;for Vala bindings
        ;; For tests
        ("dbus" ,dbus)
        ("python" ,python-2)