diff --git a/ddcutil-service.spec b/ddcutil-service.spec
index 4686186..d5e991b 100644
--- a/ddcutil-service.spec
+++ b/ddcutil-service.spec
@@ -38,6 +38,7 @@ BuildRequires:  pkgconfig
 BuildRequires:  pkgconfig(glib-2.0) >= 2.40
 %if %{defined fedora_version}
 Requires:       dbus-1-daemon
+Requires:       (libddcutil4 >= 1.4.0 or libddutil5)
 %endif
 %if %{defined suse_version}
 Requires:       dbus-1