Depending on latest sadis 5.3.0 and olt 4.4.0 API version

Change-Id: Ia69ca6d70259d1c790453fe48aacc9ba14200a19
diff --git a/pom.xml b/pom.xml
index 315e607..c9041c3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -34,8 +34,8 @@
     <url>http://opencord.org</url>
 
     <properties>
-        <sadis.api.version>5.3.0-SNAPSHOT</sadis.api.version>
-        <olt.api.version>4.4.0-SNAPSHOT</olt.api.version>
+        <sadis.api.version>5.3.0</sadis.api.version>
+        <olt.api.version>4.4.0</olt.api.version>
     </properties>
 
     <modules>