[VOL-4025] Exposing event_topic in rw-core, openolt and openonu adapter charts
[VOL-4135] Exposing device-refresh-interval in ofAgent and defaulting to
15 seconds

Change-Id: I071944972a8deb3ad16fc9035538946b83c9fb30
diff --git a/voltha-stack/Chart.yaml b/voltha-stack/Chart.yaml
index 8ca0cb9..b4d175a 100644
--- a/voltha-stack/Chart.yaml
+++ b/voltha-stack/Chart.yaml
@@ -28,18 +28,18 @@
 name: voltha-stack
 
 appVersion: "2.8-dev"
-version: 0.2.3
+version: 0.2.4
 
 dependencies:
   - name: voltha
     repository: file://../voltha
-    version: 2.9.3
+    version: 2.9.4
     condition: voltha.enabled
   - name: voltha-adapter-openonu
     repository: file://../voltha-adapter-openonu
-    version: 2.8.0
+    version: 2.8.1
     condition: voltha-adapter-openonu.enabled
   - name: voltha-adapter-openolt
     repository: file://../voltha-adapter-openolt
-    version: 2.9.0
+    version: 2.9.1
     condition: voltha-adapter-openolt.enabled