diff --git a/images/docker-ldap-auth.md b/images/docker-ldap-auth.md
index e1c51efe5..92c5e61a6 100644
--- a/images/docker-ldap-auth.md
+++ b/images/docker-ldap-auth.md
@@ -109,6 +109,7 @@ Docker images are configured using parameters passed at runtime (such as those a
 
 ## Versions
 
+* **19.12.19:** - Rebasing to alpine 3.11.
 * **01.07.19:** - Fall back to base64 encoding when basic http auth is used.
 * **28.06.19:** - Rebasing to alpine 3.10.
 * **23.03.19:** - Switching to new Base images, shift to arm32v7 tag.