diff --git a/java-library/pom.xml b/java-library/pom.xml
old mode 100755
new mode 100644
index e43200e3..20c63cd6
--- a/java-library/pom.xml
+++ b/java-library/pom.xml
@@ -280,7 +280,7 @@
         <dependency>
             <groupId>org.apache.lucene</groupId>
             <artifactId>lucene-core</artifactId>
-            <version>4.0.0</version>
+            <version>7.1.0</version>
         </dependency>
 
         <dependency>