diff --git a/Dockerfile b/Dockerfile
index 8491737..244b8fc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.elastic.co/elasticsearch/elasticsearch:7.17.8
+FROM docker.elastic.co/elasticsearch/elasticsearch:7.17.24
 LABEL maintainer Syunsuke Komma <syunsuke@weseek.co.jp>
 
 RUN bin/elasticsearch-plugin install analysis-kuromoji