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

Change-Id: I4d90520ccaa8597248fec70c896bb067943e03c9
diff --git a/pom.xml b/pom.xml
index d881a28..1ab2e52 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-dependencies</artifactId>
-        <version>2.2.8-b3</version>
+        <version>2.5.2-SNAPSHOT</version>
     </parent>
 
     <groupId>org.opencord</groupId>
@@ -68,6 +68,17 @@
             </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>
     <build>
         <plugins>
             <!-- SpotBugs Static Analysis -->