prepare for v0.4.0 development
diff --git a/README.md b/README.md
index 8e6197d..4c5b5c6 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@
 the image tag is specified by the `IMG` parameter.
 
 ```shell
-$ make docker-build IMG=apache/rocketmq-operator:0.3.0
+$ make docker-build IMG=apache/rocketmq-operator:0.4.0-snaphost
 ```
 
 Now you can use the CRDs provided by RocketMQ Operator to deploy your RocketMQ cluster.
diff --git a/deploy/operator.yaml b/deploy/operator.yaml
index c76870a..d8a9058 100644
--- a/deploy/operator.yaml
+++ b/deploy/operator.yaml
@@ -32,7 +32,7 @@
       containers:
       - name: manager
         # Replace this with the built image name
-        image: apache/rocketmq-operator:0.3.0
+        image: apache/rocketmq-operator:latest
         command:
         - /manager
         args: