Downgrade to Velocity Engine 2.3
diff --git a/pom.xml b/pom.xml
index a103f4b..9d79920 100644
--- a/pom.xml
+++ b/pom.xml
@@ -128,7 +128,7 @@
       <dependency>
         <groupId>org.apache.velocity</groupId>
         <artifactId>velocity-engine-core</artifactId>
-        <version>2.4</version>
+        <version>2.3</version>
       </dependency>
       <dependency>
         <groupId>org.apache.commons</groupId>