diff --git a/docker-compose.yml b/docker-compose.yml
index b72f7f665e05197c9e84c155732ca7eec425953a..9450488491ceef093ff418b79cb043b08ce49c93 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -106,6 +106,7 @@ services:
       discovery.type: single-node
       xpack.security.enabled: ${ELASTIC_SECURITY}
       ELASTIC_PASSWORD: ${ELASTICSEARCH_PASSWORD}
+      ES_JAVA_OPTS: '-Xms512m -Xmx512m'
     volumes:
       - db-elastic:/usr/share/elasticsearch/data
     networks: