diff --git a/javaflow/pom.xml b/javaflow/pom.xml
index f46f26e..2673b1a 100644
--- a/javaflow/pom.xml
+++ b/javaflow/pom.xml
@@ -102,7 +102,7 @@
     <dependency>
       <groupId>org.apache.ant</groupId>
       <artifactId>ant</artifactId>
-      <version>1.7.1</version>
+      <version>1.9.15</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>