diff --git a/README.md b/README.md
index 2c98ee8..e8446a8 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ hugo --minify
 
 To build the Dockerfile, run this command:
 ```shell script
-docker build --no-cache -f Dockerfile.prod -t docker.simplesystems.tech/simplesystems/website:latest . && docker push docker.simplesystems.tech/simplesystems/website
+TAG="$(date -u +%Y-%m-%d_%H%M%S)" ; docker build --no-cache -f Dockerfile.prod -t docker.simplesystems.tech/simplesystems/website:$TAG . && docker push docker.simplesystems.tech/simplesystems/website:$TAG
 ```
 
 The resources will be stored in the `./public` directory.