diff --git a/tor/pom.xml b/tor/pom.xml
index 73056b7..65ee5c9 100644
--- a/tor/pom.xml
+++ b/tor/pom.xml
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-compress</artifactId>
-            <version>1.18</version>
+            <version>1.21</version>
         </dependency>
         <dependency>
             <groupId>org.tukaani</groupId>