diff --git a/sling-parent/pom.xml b/sling-parent/pom.xml
index b0c71dc..4ba5c75 100644
--- a/sling-parent/pom.xml
+++ b/sling-parent/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache</groupId>
         <artifactId>apache</artifactId>
-        <version>31</version>
+        <version>33</version>
         <relativePath />
     </parent>