diff --git a/gtk3.spec b/gtk3.spec
index 84cf99d..9fe4eca 100644
--- a/gtk3.spec
+++ b/gtk3.spec
@@ -45,6 +45,7 @@ BuildRequires: libXdamage-devel
 BuildRequires: libXi-devel
 BuildRequires: gobject-introspection-devel
 BuildRequires: colord-devel
+BuildRequires: avahi-devel
 %if %{with_wayland}
 BuildRequires: libwayland-client-devel
 BuildRequires: libwayland-cursor-devel