diff --git a/pom.xml b/pom.xml
index 9654637..80a7e06 100644
--- a/pom.xml
+++ b/pom.xml
@@ -150,7 +150,7 @@
 		<dependency>
 			<groupId>org.elasticsearch</groupId>
 			<artifactId>elasticsearch</artifactId>
-			<version>6.6.1</version>
+			<version>6.8.17</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
 		<dependency>