diff --git a/elasticsearch5.x/pom.xml b/elasticsearch5.x/pom.xml
index 199bce3..6a1747b 100644
--- a/elasticsearch5.x/pom.xml
+++ b/elasticsearch5.x/pom.xml
@@ -19,7 +19,7 @@
 		<dependency>
 			<groupId>org.elasticsearch</groupId>
 			<artifactId>elasticsearch</artifactId>
-			<version>5.5.0</version>
+			<version>6.8.17</version>
 			<exclusions>
 				<exclusion>
 					<artifactId>jackson-core</artifactId>