diff --git a/scripts/upgrade b/scripts/upgrade
index e76b4da..a096f11 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -194,10 +194,8 @@ then
     # Create logs and temp directories
     mkdir -p "$final_path/"{logs,temp}
 
-    # Install net_LDAP and calendar
-    ynh_composer_exec --commands="require \
-    kolab/net_ldap3 \
-    kolab/calendar $calendar_version"
+    # Install net_LDAP
+    ynh_composer_exec --commands="require kolab/net_ldap3"
 
     # Update or install contextmenu, automatic_addressbook and calendar plugins
     # https://plugins.roundcube.net/#/packages/johndoh/contextmenu
@@ -205,7 +203,8 @@ then
     # https://plugins.roundcube.net/#/packages/kolab/calendar
     ynh_composer_exec --commands="update --no-dev --prefer-dist \
         johndoh/contextmenu $contextmenu_version \
-        sblaisot/automatic_addressbook $automatic_addressbook_version"
+        sblaisot/automatic_addressbook $automatic_addressbook_version \
+        kolab/calendar $calendar_version"
 
     installed_plugins+=" 'contextmenu', 'automatic_addressbook', 'calendar',"