diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index f3971b4..292f573
--- a/pom.xml
+++ b/pom.xml
@@ -84,7 +84,7 @@
         <dependency>
             <groupId>org.apache.lucene</groupId>
             <artifactId>lucene-core</artifactId>
-				<version>2.3.2</version>
+				<version>7.1.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.lucene</groupId>