diff --git a/rxr_mc/docker-compose.yaml b/rxr_mc/docker-compose.yaml
index 43f7a8d..9de3c02 100644
--- a/rxr_mc/docker-compose.yaml
+++ b/rxr_mc/docker-compose.yaml
@@ -8,7 +8,7 @@ services:
     volumes:
       - ${MC_DIR}:/mc-server
     command: >
-      java -jar ${JAR_FILE} nogui
+      java -jar -Xmx7G ${JAR_FILE} nogui
     ports:
       - "25565:25565"
     stdin_open: true