diff --git a/scripts/upgrade b/scripts/upgrade
index 33926a3..bf32aa4 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -137,9 +137,9 @@ ynh_script_progression --message="Building app..."
 
 pushd "$final_path"
     ynh_use_nodejs
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn run rebuild
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn run migrate
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH pnpm install
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH pnpm run rebuild
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH pnpm run migrate
 popd
 
 #=================================================