diff --git a/scripts/upgrade b/scripts/upgrade
index d96f415..1877b73 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -179,6 +179,8 @@ then
     if [ -f "$final_path/composer.json" ]
     then
         ynh_exec_warn_less ynh_composer_exec --commands="update"
+        # Update plugin-installer for Composer version 2.0
+        ynh_exec_warn_less ynh_composer_exec --commands="require roundcube/plugin-installer:>=0.2.0"
     else
         # Install composer.json
         cp "$final_path/composer.json-dist" "$final_path/composer.json"