diff --git a/dp-validation-ant-tasks/pom.xml b/dp-validation-ant-tasks/pom.xml
index bce5cef..7bc9d4c 100644
--- a/dp-validation-ant-tasks/pom.xml
+++ b/dp-validation-ant-tasks/pom.xml
@@ -53,7 +53,7 @@
 		<dependency>
 			<groupId>org.apache.santuario</groupId>
 			<artifactId>xmlsec</artifactId>
-			<version>1.5.5</version>
+			<version>2.1.7</version>
 		</dependency>
 	</dependencies>
 </project>
\ No newline at end of file