diff --git a/Dockerfile b/Dockerfile
index 1e5accb..84a32fb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.elastic.co/elasticsearch/elasticsearch:7.17.4
+FROM docker.elastic.co/elasticsearch/elasticsearch:8.4.2
 
 MAINTAINER tomas.hejatko@gmail.com