diff --git a/wb_builder.spec b/wb_builder.spec
index 7a744ba..075d715 100644
--- a/wb_builder.spec
+++ b/wb_builder.spec
@@ -14,6 +14,7 @@ Patch0:         wb_builder-strict-warnings.patch
 Patch1:         wb_builder-args.patch
 
 BuildArch:      noarch
+BuildRequires:      perl-generators
 
 %description
 This package includes a HDL generator from a text description or via