diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb8646a1..684714f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [21.4.0](https://github.com/theforeman/puppet-certs/tree/21.4.0) (2026-05-11)
+
+[Full Changelog](https://github.com/theforeman/puppet-certs/compare/21.3.0...21.4.0)
+
+**Implemented enhancements:**
+
+- puppet/extlib: Allow 8.x [\#507](https://github.com/theforeman/puppet-certs/pull/507) ([bastelfreak](https://github.com/bastelfreak))
+
 ## [21.3.0](https://github.com/theforeman/puppet-certs/tree/21.3.0) (2026-04-29)
 
 [Full Changelog](https://github.com/theforeman/puppet-certs/compare/21.2.0...21.3.0)
diff --git a/metadata.json b/metadata.json
index 97816641..7464033d 100644
--- a/metadata.json
+++ b/metadata.json
@@ -1,6 +1,6 @@
 {
   "name": "katello-certs",
-  "version": "21.3.0",
+  "version": "21.4.0",
   "author": "katello",
   "summary": "Deploys CA and required certs for a Foreman and Katello installation.",
   "license": "GPL-3.0+",