diff --git a/images/docker-syslog-ng.md b/images/docker-syslog-ng.md
index 9018f257a..0cffc1c53 100755
--- a/images/docker-syslog-ng.md
+++ b/images/docker-syslog-ng.md
@@ -164,5 +164,6 @@ We publish various [Docker Mods](https://github.com/linuxserver/docker-mods) to
 
 ## Versions
 
+* **18.12.21:** - Rebase to Alpine 3.15.
 * **01.07.21:** - Rebase to Alpine 3.14.
 * **26.05.21:** - Initial release.