diff --git a/elasticsearch-icu/Dockerfile b/elasticsearch-icu/Dockerfile
index 2f7ef747..fc1987a0 100644
--- a/elasticsearch-icu/Dockerfile
+++ b/elasticsearch-icu/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.elastic.co/elasticsearch/elasticsearch:7.8.1
+FROM docker.elastic.co/elasticsearch/elasticsearch:7.17.16
 
 ENV xpack.security.enabled=false
 RUN elasticsearch-plugin install analysis-icu