[VOL-4138] updating to ONOS 2.5.2-SNAPSHOT dependencies

Change-Id: Id302c56f95d52fa90689371d7662c6e07d953f4d
diff --git a/pom.xml b/pom.xml
index ccb3997..67ebcf7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-dependencies</artifactId>
-        <version>2.2.6</version>
+        <version>2.5.2-SNAPSHOT</version>
     </parent>
 
     <groupId>org.opencord</groupId>
@@ -212,6 +212,17 @@
             </snapshots>
         </repository>
     </repositories>
+    <pluginRepositories>
+        <pluginRepository>
+            <id>sonatype-snapshots</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+            <snapshots>
+                <enabled>true</enabled>
+                <updatePolicy>always</updatePolicy>
+                <checksumPolicy>fail</checksumPolicy>
+            </snapshots>
+        </pluginRepository>
+    </pluginRepositories>
     <distributionManagement>
         <snapshotRepository>
             <id>ossrh</id>