diff --git a/docbook-style-dsssl.spec b/docbook-style-dsssl.spec
index 38a702f..8a3460f 100644
--- a/docbook-style-dsssl.spec
+++ b/docbook-style-dsssl.spec
@@ -7,6 +7,7 @@ Summary: Norman Walsh's modular stylesheets for DocBook
 
 License: DMIT
 URL: http://docbook.sourceforge.net/
+BuildRequires: perl-generators
 
 Requires: docbook-dtds
 Requires: openjade