diff --git a/.gitignore b/.gitignore
index c5a7289d2..f1ebe2645 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,7 @@ build
 /docker/db
 /docker/elasticsearch/data/nodes
 /docker/opensearch/data/nodes
+!/docker/opensearch/data/nodes/README
 /docker/acme.sh
 /docker/nginx/conf.d
 /docker/nginx/vhost.d