diff --git a/PatentDocument/pom.xml b/PatentDocument/pom.xml
index 3e9ac303..9f116c8c 100644
--- a/PatentDocument/pom.xml
+++ b/PatentDocument/pom.xml
@@ -39,7 +39,7 @@
 		<dependency>
 			<groupId>org.dom4j</groupId>
 			<artifactId>dom4j</artifactId>
-			<version>2.1.1</version>
+			<version>2.1.3</version>
 		</dependency>
 
 		<!-- <dependency> <groupId>xml-apis</groupId> <artifactId>xml-apis</artifactId>