Release version 4.0.0

Change-Id: Id9244d8f83fdbdf3b1d8a6173aebf7c41633f782
diff --git a/pom.xml b/pom.xml
index 02ab032..e5234b4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
 
     <groupId>org.opencord</groupId>
     <artifactId>olt</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0</version>
     <packaging>pom</packaging>
 
     <properties>