[ONOS] Cherry picked from master 1.7

Change-Id: I74a0c1634f9c425af2bcb646edc3d9170b3c087c
diff --git a/apps/pce/pom.xml b/apps/pce/pom.xml
index 7ba4bca..e6e6163 100644
--- a/apps/pce/pom.xml
+++ b/apps/pce/pom.xml
@@ -21,6 +21,7 @@
         <groupId>org.onosproject</groupId>
         <artifactId>onos-apps</artifactId>
         <version>1.6.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>