diff --git a/sile.spec b/sile.spec
index 09822c0..20de859 100644
--- a/sile.spec
+++ b/sile.spec
@@ -41,6 +41,7 @@ Requires:       lua51-cldr
 BuildRequires:  lua51-cliargs
 Requires:       lua51-cliargs
 BuildRequires:  lua51-compat-5.3
+Requires:       lua51-compat-5.3
 BuildRequires:  lua51-cosmo
 Requires:       lua51-cosmo
 BuildRequires:  lua51-luaexpat