update to sling-bundle-parent 40
diff --git a/parent/pom.xml b/parent/pom.xml
index 8e46c0b..2b9b898 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.sling</groupId>
         <artifactId>sling-bundle-parent</artifactId>
-        <version>38</version>
+        <version>40</version>
         <relativePath />
     </parent>