Depending on released versions of Sadis

Change-Id: Ib5ec2d5f50f529b8045f114afb6a9717b1ac5f83
diff --git a/app/pom.xml b/app/pom.xml
index 96d0beb..58fb04f 100644
--- a/app/pom.xml
+++ b/app/pom.xml
@@ -39,7 +39,7 @@
         </api.description>
         <api.package>org.opencord.olttopology.rest</api.package>
         <olttopology.api.version>1.2.1-SNAPSHOT</olttopology.api.version>
-        <sadis.api.version>5.3.0</sadis.api.version>
+        <sadis.api.version>5.6.0</sadis.api.version>
     </properties>
 
     <dependencies>