Use released versions

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1359601 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/slingshot/pom.xml b/slingshot/pom.xml
index 7eb0efd..8758e55 100644
--- a/slingshot/pom.xml
+++ b/slingshot/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.sling</groupId>
         <artifactId>sling</artifactId>
-        <version>14-SNAPSHOT</version>
+        <version>13</version>
     </parent>
 
     <artifactId>org.apache.sling.sample.slingshot</artifactId>