diff --git a/gradle.properties b/gradle.properties
index 3539acf..e7dba53 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,7 +1,7 @@
-elasticsearch.version=5.5.1
+elasticsearch.version=5.5.2
 log4j.version=2.8.2
 wagon-ssh-external.version=2.10
 commons-math3.version=3.6.1
 group=org.scaleborn.elasticsearch.plugin
 name=elasticsearch-linear-regression
-version=5.5.1.2-SNAPSHOT
+version=5.5.2.1