diff --git a/build-tools/pom.xml b/build-tools/pom.xml
index d2725447..b9ac012d 100644
--- a/build-tools/pom.xml
+++ b/build-tools/pom.xml
@@ -74,7 +74,7 @@
         <dependency>
             <groupId>org.apache.ant</groupId>
             <artifactId>ant</artifactId>
-            <version>1.7.1</version>
+            <version>1.9.15</version>
         </dependency>
     </dependencies>
 </project>