diff --git a/Dockerfile b/Dockerfile
index f34ff52c..d1500cd4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,7 +24,7 @@ FROM openjdk:8-alpine
 # Install rocketmq release into image
 RUN apk add --no-cache bash gettext nmap-ncat openssl busybox-extras
 ENV ROCKETMQ_HOME  /home/rocketmq
-ENV ROCKETMQ_VERSION 4.5.0
+ENV ROCKETMQ_VERSION 4.9.4
 WORKDIR  ${ROCKETMQ_HOME}
 RUN set -eux; \
     apk add --virtual .build-deps curl gnupg unzip; \
diff --git a/README.md b/README.md
index 3472d3af..8e6197d6 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ If you find that pod image is not found, run the following command to build a ne
 the image tag is specified by the `IMG` parameter.
 
 ```shell
-$ make docker-build IMG=apache/rocketmq-operator:0.3.0-snapshot
+$ make docker-build IMG=apache/rocketmq-operator:0.3.0
 ```
 
 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 3b9d030d..c76870a3 100644
--- a/deploy/operator.yaml
+++ b/deploy/operator.yaml
@@ -32,7 +32,7 @@ spec:
       containers:
       - name: manager
         # Replace this with the built image name
-        image: apache/rocketmq-operator:0.3.0-snapshot
+        image: apache/rocketmq-operator:0.3.0
         command:
         - /manager
         args: