diff --git a/defaults/main.yml b/defaults/main.yml
index 189f611..430ab1f 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -2,9 +2,10 @@
 # domain, webroot
 roundcube_domain: default
 roundcube_web_root: /roundcube
+roundcube_version: 1.3.10
 
 # container
-roundcube_image: eumau/roundcubemail
+roundcube_image: eumau/roundcubemail:{{ roundcube_version }}
 roundcube_container: roundcube
 roundcube_volume: roundcube