diff --git a/docker-compose.yml b/docker-compose.yml
index 98302c8..3d8177a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -34,7 +34,7 @@ services:
     environment:
       - 'http.host=0.0.0.0'
       - 'transport.host=127.0.0.1'
-      # See https://www.elastic.co/guide/en/elasticsearch/reference/7.14/docker.html
+      # See https://www.elastic.co/guide/en/elasticsearch/reference/7.16/docker.html
       - 'discovery.type=single-node'
       - 'ES_JAVA_OPTS=-Xms1g -Xmx1g'
     ports :