diff --git a/README.md b/README.md
index 586ec2c..47f25f9 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ docker run --rm --name docker_registry_proxy -it \
        -v $(pwd)/docker_mirror_certs:/ca \
        -e REGISTRIES="k8s.gcr.io gcr.io quay.io your.own.registry another.public.registry" \
        -e AUTH_REGISTRIES="auth.docker.io:dockerhub_username:dockerhub_password your.own.registry:username:password" \
-       rpardini/docker-registry-proxy:0.2.2
+       rpardini/docker-registry-proxy:0.2.3
 ```
 
 Let's say you did this on host `192.168.66.72`, you can then `curl http://192.168.66.72:3128/ca.crt` and get the proxy CA certificate.