diff --git a/perl-YAML-PP.spec b/perl-YAML-PP.spec
index 756e274..2f527e4 100644
--- a/perl-YAML-PP.spec
+++ b/perl-YAML-PP.spec
@@ -66,6 +66,7 @@ Requires:       perl(YAML::PP::Schema::Include)
 Suggests:       perl(YAML)
 Suggests:       perl(YAML::PP::LibYAML)
 Suggests:       perl(YAML::PP::LibYAML::Parser)
+Suggests:       perl(YAML::PP::Ref)
 Suggests:       perl(YAML::Syck)
 Suggests:       perl(YAML::Tiny)
 Suggests:       perl(YAML::XS)