diff --git a/pom.xml b/pom.xml
index a740fd7..3551350 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache</groupId>
         <artifactId>apache</artifactId>
-        <version>17</version>
+        <version>13</version>
     </parent>
 
     <groupId>org.apache.myfaces</groupId>