Bumping up antrun to v1.4
diff --git a/pom.xml b/pom.xml
index 0cd0af5..70305ea 100644
--- a/pom.xml
+++ b/pom.xml
@@ -274,7 +274,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-antrun-plugin</artifactId>
-          <version>1.1</version>
+          <version>1.4</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>