diff --git a/spamassassin.spec b/spamassassin.spec
index 11bee56..abdb729 100644
--- a/spamassassin.spec
+++ b/spamassassin.spec
@@ -51,6 +51,10 @@ Requires: perl(DB_File)
 Requires: procmail
 Requires: gnupg
 
+# Hard requirement
+BuildRequires: perl-HTML-Parser >= 3.43
+Requires: perl-HTML-Parser >= 3.43
+
 %if %{option_archive_tar}
 Requires: perl(Archive::Tar)
 %endif