diff --git a/voltha-adapter-openolt/Chart.yaml b/voltha-adapter-openolt/Chart.yaml
index c2f9a4b..37700e7 100644
--- a/voltha-adapter-openolt/Chart.yaml
+++ b/voltha-adapter-openolt/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openolt"
-version: "2.6.3"
+version: "2.7.0-dev"
 description: "A Helm chart for Voltha OpenOLT Adapter"
 keywords:
   - "onf"
diff --git a/voltha-adapter-openonu/Chart.yaml b/voltha-adapter-openonu/Chart.yaml
index 104959a..fd33823 100644
--- a/voltha-adapter-openonu/Chart.yaml
+++ b/voltha-adapter-openonu/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openonu"
-version: "2.5.0"
+version: "2.6.0-dev"
 description: "A Helm chart for Voltha OpenONU Adapter"
 keywords:
   - "onf"
diff --git a/voltha/Chart.yaml b/voltha/Chart.yaml
index a786a97..ee6c38d 100644
--- a/voltha/Chart.yaml
+++ b/voltha/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha"
-version: "2.6.1"
+version: "2.7.0-dev"
 description: "A Helm chart for Voltha based on K8S resources in Voltha project"
 keywords:
   - "onf"