diff --git a/Dockerfile b/Dockerfile
index 3ea5f71427adf406c73090b6da98f6fc5f74ae70..0a65e189f2ed062578f62f61c8c3f55a83b7c5bf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,6 +20,7 @@ ARG GIT_EXTRAS_VERSION=7.1.0
 ARG GLAB_VERSION=1.36.0
 ARG apkArch
 ARG buildx_version=0.12.1
+# IMPORTANT: keep the docker compose version in sync with the Ansible Docker role.
 ARG compose_version=2.24.6
 ARG composer_version=2.7.1
 ARG dockerArch