diff --git a/plugin/site-plugin/pom.xml b/plugin/site-plugin/pom.xml
index 6beb691..e8ce5a9 100644
--- a/plugin/site-plugin/pom.xml
+++ b/plugin/site-plugin/pom.xml
@@ -86,7 +86,7 @@
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-compress</artifactId>
-			<version>1.18</version>
+			<version>1.21</version>
 		</dependency>
 		<dependency>
 			<groupId>org.codehaus.jackson</groupId>