diff --git a/pom.xml b/pom.xml
index 30fd50e3db..db7db103b8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -93,7 +93,7 @@
 		<hadoop-client.version>2.6.0</hadoop-client.version>
 		<hbase.version>1.2.5</hbase.version><!-- 2.1.3 -->
 		<kafka-clients.version>2.5.0</kafka-clients.version>
-		<elasticsearch-client.version>6.2.3</elasticsearch-client.version>
+		<elasticsearch-client.version>6.8.15</elasticsearch-client.version>
 		<!-- AI. -->
 		<!-- NLP (pinyin) -->
 		<belerweb.pinyin4j.version>2.5.1</belerweb.pinyin4j.version>