Release app version 5.2.1

Change-Id: Ieb9ff5d3613ea8f03997f01217dddcab771ce7e2
diff --git a/api/pom.xml b/api/pom.xml
index d73c46e..68fef0e 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>olt</artifactId>
         <groupId>org.opencord</groupId>
-        <version>5.2.0-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -48,4 +48,4 @@
             </plugin>
         </plugins>
     </build>
-</project>
\ No newline at end of file
+</project>