diff --git a/elasticsearch/Dockerfile b/elasticsearch/Dockerfile
index d21ddb2c..bf8443ce 100755
--- a/elasticsearch/Dockerfile
+++ b/elasticsearch/Dockerfile
@@ -4,7 +4,7 @@ LABEL maintainer "itzg"
 
 RUN apk -U add bash
 
-ARG ES_VERSION=5.5.1
+ARG ES_VERSION=5.5.2
 # avoid conflicts with debian host systems when mounting to host volume
 ARG DEFAULT_ES_USER_UID=1100