diff --git a/dspace-api/pom.xml b/dspace-api/pom.xml
old mode 100755
new mode 100644
index 757cc61f..c8cde3ee
--- a/dspace-api/pom.xml
+++ b/dspace-api/pom.xml
@@ -545,7 +545,7 @@
         <dependency>
             <groupId>org.elasticsearch</groupId>
             <artifactId>elasticsearch</artifactId>
-            <version>1.4.0</version>
+            <version>6.8.17</version>
         </dependency>
 
         <dependency>