diff --git a/cluster/pom.xml b/cluster/pom.xml
index fb7e8d11..db3a85d0 100644
--- a/cluster/pom.xml
+++ b/cluster/pom.xml
@@ -64,7 +64,7 @@
     <dependency>
       <groupId>org.apache.ant</groupId>
       <artifactId>ant</artifactId>
-      <version>1.9.0</version>
+      <version>1.9.15</version>
     </dependency>
   </dependencies>