diff --git a/pom.xml b/pom.xml
index 4b1f57c..8dfbfa0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -121,7 +121,7 @@
         <dependency>
             <groupId>org.apache.ant</groupId>
             <artifactId>ant</artifactId>
-            <version>1.9.0</version>
+            <version>1.10.9</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.z3950.zing/cql-java -->
         <dependency>