diff --git a/scripts/upgrade b/scripts/upgrade
index 737bb1e..33ff967 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -182,8 +182,8 @@ then
 		ynh_exec_as $app $ynh_ruby_load_path bin/bundle config set --local path 'vendor/bundle'
 		ynh_exec_as $app $ynh_ruby_load_path bin/bundle config set with 'development'
 		ynh_exec_warn_less "ynh_exec_as $app $ynh_ruby_load_path bin/bundle install -j$(getconf _NPROCESSORS_ONLN) --quiet"
-		ynh_exec_warn_less "ynh_exec_as $app env PATH=$ynh_node_load_PATH yarn install --pure-lockfile"
-		ynh_exec_warn_less "ynh_exec_as $app env PATH=$ynh_node_load_PATH yarn bundle"
+		ynh_exec_warn_less "ynh_exec_as $app env NODE_OPTIONS=\"--max-old-space-size=$node_max_old_space_size\" PATH=$ynh_node_load_PATH yarn install --pure-lockfile"
+		ynh_exec_warn_less "ynh_exec_as $app env NODE_OPTIONS=\"--max-old-space-size=$node_max_old_space_size\" PATH=$ynh_node_load_PATH yarn bundle"
 		ynh_exec_warn_less "ynh_exec_as $app $ynh_ruby_load_path bin/bundle exec rails assets:precompile --quiet"
 	popd
 fi