diff --git a/anda/desktops/mangowm/mangowm.spec b/anda/desktops/mangowm/mangowm.spec
index 0270a151c2..4bf215798d 100644
--- a/anda/desktops/mangowm/mangowm.spec
+++ b/anda/desktops/mangowm/mangowm.spec
@@ -21,6 +21,7 @@ BuildRequires:  pkgconfig(xkbcommon)
 BuildRequires:  pkgconfig(libinput)
 BuildRequires:  pkgconfig(wayland-client)
 BuildRequires:  pkgconfig(libpcre2-8)
+BuildRequires:  pkgconfig(libcjson)
 BuildRequires:  scenefx-devel
 
 Conflicts:      mangowc < %{mangowc_ver}