diff --git a/README.md b/README.md
index 4d001de..ed85976 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ The clien is designed to work on a server.
 
 - A Debian- or Ubuntu-based server, preferably the latest distribution.
 - Docker (specifically, Docker Engine)
-- Docker-Compose
+- Docker Compose
 - Git
 
 ### Installation
@@ -28,9 +28,13 @@ The first step is to ensure all the prerequisites are available on the server.
 To set up the server, consult some of the comprehensive guides on various hosting platforms like Linode or DigitalOcean.
 Here is a [good starting point on setting up a server](https://www.digitalocean.com/community/tutorials/initial-server-setup-with-ubuntu-22-04).
 
-To install Docker and Docker-Compose, consult the respective documentation:
+To install Docker and Docker Compose, consult the respective documentation:
   - [Install on Ubuntu](https://docs.docker.com/engine/install/ubuntu/) or [Install on Debian](https://docs.docker.com/engine/install/debian/)
-  - [Install Docker-Compose](https://github.com/docker/compose) as per these instructions.
+  - Docker Compose should be installed as part of that.
+
+```
+At the time of writing, there has been an upgrade to Docker and Docker Compose, meaning the syntax below might be different between versions.
+```
 
 Check if Git is installed on your server using the `git --version` command.
 If it isn't installed, install it.
@@ -131,7 +135,7 @@ Everything should be good to run on autopilot at this point.
 Navigate to the root folder of the app, the folder where you have `install-script.sh` and `docker-compose.yml`.
 Run the following command:
 
-```sudo docker-compose up -d```
+```sudo docker compose up -d```
 
 And you should have the stack running.
 You can register in the app and begin using it.
diff --git a/install-script.sh b/install-script.sh
index c2811eb..2bcea7d 100644
--- a/install-script.sh
+++ b/install-script.sh
@@ -2,8 +2,8 @@
 
 # Source https://pentacent.medium.com/nginx-and-lets-encrypt-with-docker-in-less-than-5-minutes-b4b8a60d3a71
 
-if ! [ -x "$(command -v docker-compose)" ]; then
-  echo 'Error: docker-compose is not installed.' >&2
+if ! [ -x "$(command -v docker compose)" ]; then
+  echo 'Error: docker compose is not installed.' >&2
   exit 1
 fi
 
@@ -22,7 +22,7 @@ fi
 
 if [ ! -e "$data_path/ssl-dhparams.pem" ]; then
   echo "### Generating ssl-dhparams.pem ..."
-  docker-compose run --rm --entrypoint "\
+  docker compose run --rm --entrypoint "\
     openssl dhparam 4096 -out /etc/letsencrypt/ssl-dhparams.pem" certbot
   echo
 fi
@@ -30,7 +30,7 @@ fi
 echo "### Creating dummy certificate for $domains ..."
 path="/etc/letsencrypt/live/$domains"
 mkdir -p "$data_path/conf/live/$domains"
-docker-compose run --rm --entrypoint "\
+docker compose run --rm --entrypoint "\
   openssl req -x509 -nodes -newkey rsa:$rsa_key_size -days 1\
     -keyout '$path/privkey.pem' \
     -out '$path/fullchain.pem' \
@@ -38,11 +38,11 @@ docker-compose run --rm --entrypoint "\
 echo
 
 echo "### Starting nginx ..."
-docker-compose up --force-recreate -d nginx
+docker compose up --force-recreate -d nginx
 echo
 
 echo "### Deleting dummy certificate for $domains ..."
-docker-compose run --rm --entrypoint "\
+docker compose run --rm --entrypoint "\
   rm -Rf /etc/letsencrypt/live/$domains && \
   rm -Rf /etc/letsencrypt/archive/$domains && \
   rm -Rf /etc/letsencrypt/renewal/$domains.conf" certbot
@@ -64,7 +64,7 @@ esac
 # Enable staging mode if needed
 if [ $staging != "0" ]; then staging_arg="--staging"; fi
 
-docker-compose run --rm --entrypoint "\
+docker compose run --rm --entrypoint "\
   certbot certonly --webroot -w /var/www/certbot \
     $staging_arg \
     $email_arg \
@@ -75,4 +75,4 @@ docker-compose run --rm --entrypoint "\
 echo
 
 echo "### Reloading nginx ..."
-docker-compose exec nginx nginx -s reload
+docker compose exec nginx nginx -s reload