diff --git a/ansible/group_vars/omero-hosts.yml b/ansible/group_vars/omero-hosts.yml
index 6f387462..6393444c 100644
--- a/ansible/group_vars/omero-hosts.yml
+++ b/ansible/group_vars/omero-hosts.yml
@@ -233,7 +233,7 @@ omero_web_config_set:
 # Plugins and additional web configuration
 
 omero_web_apps_packages:
-- omero-mapr==0.4.1
+- omero-mapr==0.4.2
 - omero-iviewer==0.11.1
 - omero-gallery==3.3.3
 - omero-figure==4.4.1