use apigw 1.0.0 (#599)

diff --git a/helm/openwhisk/Chart.yaml b/helm/openwhisk/Chart.yaml
index 8938e13..097f431 100644
--- a/helm/openwhisk/Chart.yaml
+++ b/helm/openwhisk/Chart.yaml
@@ -18,7 +18,7 @@
 apiVersion: v2
 type: application
 name: openwhisk
-version: 0.2.1
+version: 0.2.2
 home: https://openwhisk.apache.org
 description: Apache OpenWhisk is an open source serverless cloud platform
 icon: https://raw.githubusercontent.com/apache/openwhisk/682eb5b62ee6ba8017ab54226c2ace3637f4f1ec/docs/images/whisk_icon_full-color_with_tm_64x64-300dpi.png
diff --git a/helm/openwhisk/values.yaml b/helm/openwhisk/values.yaml
index ae81ec2..e1cee33 100644
--- a/helm/openwhisk/values.yaml
+++ b/helm/openwhisk/values.yaml
@@ -278,7 +278,7 @@
 # API Gateway configurations
 apigw:
   imageName: "openwhisk/apigateway"
-  imageTag: "0.11.0"
+  imageTag: "1.0.0"
   imagePullPolicy: "IfNotPresent"
   # NOTE: setting replicaCount > 1 is not tested and may not work
   replicaCount: 1