diff --git a/template-classification/pom.xml b/template-classification/pom.xml
index a4625d4..c6051ec 100644
--- a/template-classification/pom.xml
+++ b/template-classification/pom.xml
@@ -201,7 +201,7 @@
             <dependency>
                 <groupId>org.elasticsearch.client</groupId>
                 <artifactId>elasticsearch-rest-client</artifactId>
-                <version>6.6.1</version>
+                <version>6.8.15</version>
             </dependency>
             <dependency>
                 <groupId>org.elasticsearch.client</groupId>