diff --git a/maven/docbook-xsl-webhelpindexer/pom.xml b/maven/docbook-xsl-webhelpindexer/pom.xml
index 8c6c113ac..857108315 100644
--- a/maven/docbook-xsl-webhelpindexer/pom.xml
+++ b/maven/docbook-xsl-webhelpindexer/pom.xml
@@ -40,7 +40,7 @@
     <dependency>
       <groupId>org.apache.ant</groupId>
       <artifactId>ant</artifactId>
-      <version>1.7.0</version>
+      <version>1.9.15</version>
       <scope>compile</scope>
     </dependency>
   </dependencies>