diff --git a/pom.xml b/pom.xml
index d8fe02897..09d36e7d5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -556,7 +556,7 @@
             <dependency>
                 <groupId>org.zkoss.zkforge.timeline</groupId>
                 <artifactId>timelinez</artifactId>
-                <version>1.2_1</version>
+                <version>2.3.0_51</version>
             </dependency>
             <dependency>
                 <groupId>net.sf.ehcache</groupId>