diff --git a/spamassassin.spec b/spamassassin.spec
index b7ebc2b..2333dbc 100644
--- a/spamassassin.spec
+++ b/spamassassin.spec
@@ -170,6 +170,16 @@ Requires(preun): systemd-units
 Requires(postun): systemd-units
 %endif
 
+# For completeness, explicitly require perl modules already
+# pulled in by perl-interpreter
+Requires: perl(Digest::SHA)
+Requires: perl(Socket)
+Requires: perl(Data::Dumper)
+Requires: perl(Digest::MD5)
+Requires: perl(Errno)
+Requires: perl(Exporter)
+Requires: perl(List::Util)
+
 %description
 SpamAssassin provides you with a way to reduce if not completely eliminate
 Unsolicited Commercial Email (SPAM) from your incoming email.  It can