diff --git a/etc/services b/etc/services
index b02d9f7c8c96..2f686f482b8d 100644
--- a/etc/services
+++ b/etc/services
@@ -1195,6 +1195,8 @@ accessbuilder	888/tcp
 accessbuilder	888/udp
 telnets		992/tcp
 imaps		993/tcp
+ircs		994/tcp			# irc protocol over TLS/SSL
+ircs		994/udp			# irc protocol over TLS/SSL
 pop3s		995/tcp
 vsinet		996/tcp
 vsinet		996/udp