diff --git a/pom.xml b/pom.xml
index 4afe734..573e060 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
 		<logback.version>1.1.7</logback.version>
 		<aspose.version>19.2</aspose.version>
 		<javassist.version>3.12.1.GA</javassist.version>
-		<zip4j.version>1.3.2</zip4j.version>
+		<zip4j.version>2.9.1</zip4j.version>
 		<httpasyncclient.version>4.1.4</httpasyncclient.version>
 		<httpmime.version>4.5.8</httpmime.version>
 		<fastjson.version>1.2.51</fastjson.version>