diff --git a/java/pom.xml b/java/pom.xml
old mode 100755
new mode 100644
index 29de86f..71df0e2
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -12,7 +12,7 @@
 	<!-- properties //////////////////////////////////////// -->
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<commons.lang.version>3.5</commons.lang.version>
+		<commons.lang.version>3.18.0</commons.lang.version>
 		<jackson.version>[2.9.10.1,)</jackson.version>
 		<!-- <apache.logging.version>2.3</apache.logging.version> <ical4j.version>2.0.0</ical4j.version> 
 			<dom4j.version>2.0.1</dom4j.version> <jdom.version>2.0.6</jdom.version> <tika.version>1.22</tika.version> -->