diff --git a/pom.xml b/pom.xml
index 5fdbf9739..4cd722879 100644
--- a/pom.xml
+++ b/pom.xml
@@ -178,6 +178,10 @@
         <id>zk repository</id>
         <url>http://mavensync.zkoss.org/maven2</url>
      </repository>
+     <repository>
+        <id>professional edition zk repository</id>
+        <url>http://mavensync.zkoss.org/zk/pe-eval/</url>
+     </repository>
     </repositories>
 
      <pluginRepositories>