diff --git a/chart/keel/Chart.yaml b/chart/keel/Chart.yaml
index d30212e9..e6dc51d6 100644
--- a/chart/keel/Chart.yaml
+++ b/chart/keel/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v1
 name: keel
 description: Open source, tool for automating Kubernetes deployment updates. Keel is stateless, robust and lightweight.
-version: 0.1.9
+version: 0.1.10
 appversion: 0.6.1
 keywords:
 - kubernetes deployment
diff --git a/chart/keel/templates/clusterrole.yaml b/chart/keel/templates/clusterrole.yaml
index 8b1256c8..033505bc 100644
--- a/chart/keel/templates/clusterrole.yaml
+++ b/chart/keel/templates/clusterrole.yaml
@@ -33,6 +33,7 @@ rules:
       - jobs
     verbs:
       - get
+      - delete # required to delete pods during force upgrade of the same tag
       - watch
       - list
       - update
diff --git a/chart/keel/values.yaml b/chart/keel/values.yaml
index 98b4601b..2af71d35 100644
--- a/chart/keel/values.yaml
+++ b/chart/keel/values.yaml
@@ -108,6 +108,7 @@ resources:
 nodeSelector: {}
 
 # base64 encoded json of GCP service account
+# more info available here: https://cloud.google.com/kubernetes-engine/docs/tutorials/authenticating-to-cloud-platform  
 # e.g. --set googleApplicationCredentials=$(cat <JSON_KEY_FIEL> | base64)
 # googleApplicationCredentials: ""
 
diff --git a/deployment/deployment-rbac.yaml b/deployment/deployment-rbac.yaml
index e602b560..b7a43576 100644
--- a/deployment/deployment-rbac.yaml
+++ b/deployment/deployment-rbac.yaml
@@ -56,11 +56,12 @@ rules:
       - jobs
     verbs:
       - get
+      - delete # required to delete pods during force upgrade of the same tag
       - watch
       - list
       - update
   - apiGroups:
-      - ""
+      - ""      
     resources:
       - configmaps
     verbs:
diff --git a/hack/deployment.sample.yml b/hack/deployment.sample.yml
index 30c05835..7a4a3e8b 100644
--- a/hack/deployment.sample.yml
+++ b/hack/deployment.sample.yml
@@ -23,6 +23,9 @@ spec:
             #   value: "1"
             - name: PUBSUB
               value: "1"
+            # how to setup : https://cloud.google.com/kubernetes-engine/docs/tutorials/authenticating-to-cloud-platform  
+            # - name: GOOGLE_APPLICATION_CREDENTIALS 
+            #   value: ""  
             # Enable/disable Helm provider
             # - name: HELM_PROVIDER
             #   value: "1"