diff --git a/antora-playbook.yml b/antora-playbook.yml
index ffbd0ac3..12a30b68 100644
--- a/antora-playbook.yml
+++ b/antora-playbook.yml
@@ -18,7 +18,7 @@ content:
     # Refname matching:
     # https://docs.antora.org/antora/latest/playbook/content-refname-matching/
     branches: [main,'({3..9}).+({0..9}).x', '!(3.{0..1}.x)']
-    tags: ['({3..9}).+({0..9}).+({0..9})', '!(3.{0..1}.+({0..9}))']
+    tags: ['({3..9}).+({0..9}).+({0..9})?(-{RC,M}+({0..9}))', '!(3.{0..1}.+({0..9})?(-{RC,M}+({0..9})))']
 asciidoc:
   extensions:
     - '@asciidoctor/tabs'