diff --git a/docker-compose.yml b/docker-compose.yml
index 0a0d351..9f4a77e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -208,7 +208,7 @@ services:
          - elasticsearch.svc
     environment:
       discovery.type: single-node
-      ES_JAVA_OPTS: "-Xms512m -Xmx512m"
+      ES_JAVA_OPTS: "-Xms8g -Xmx8g"
 
   formulasearch:
     image: ghcr.io/mardi4nfdi/formulasearch:main