diff --git a/images/docker-letsencrypt.md b/images/docker-letsencrypt.md
index 60e6291c85..7e2e5fc522 100644
--- a/images/docker-letsencrypt.md
+++ b/images/docker-letsencrypt.md
@@ -207,6 +207,7 @@ This will *ask* Google et al not to index and list your site. Be careful with th
 
 ## Versions
 
+* **18.12.19:** - Add php7-imap and php7-pecl-apcu.
 * **11.12.19:** - Fix Google Cloud DNS to use .json file for authentication.
 * **20.11.19:** - Fix cryptography version mismatch due to pip issue.
 * **17.11.19:** - Add php7-pdo_odbc.