diff --git a/scripts/upgrade b/scripts/upgrade
index 873ec27..7c0e305 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -152,7 +152,8 @@ then
     # Check if dependencies need to be updated with Composer
     if [ -f "$final_path/composer.json" ]
     then
-        ynh_exec_warn_less ynh_composer_exec --commands=\"update --no-dev --prefer-dist\"
+        #ynh_exec_warn_less ynh_composer_exec --commands=\"update --no-dev --prefer-dist\"
+        ynh_exec_warn_less ynh_composer_exec --commands="update"
     else
         # Install composer.json
         cp "$final_path/composer.json-dist" "$final_path/composer.json"
@@ -166,6 +167,9 @@ then
     # Create logs and temp directories
     mkdir -p "$final_path/"{logs,temp}
 
+    # Install Installer Update for Composer 2.0
+    ynh_composer_exec --commands="require roundcube/plugin-installer:>=0.2.0"
+
     # Install net_LDAP
     ynh_composer_exec --commands="require kolab/net_ldap3"