diff --git a/docs/userguide.rst b/docs/userguide.rst
index ab43cef..64bea9b 100644
--- a/docs/userguide.rst
+++ b/docs/userguide.rst
@@ -19,13 +19,18 @@ To install kas into your python site-package repository, run::
 Usage
 -----
 
-There are three options for using kas:
+There are (at least) four options for using kas:
 
 - Install it locally via pip to get the ``kas`` command.
-- Use the docker image. In this case, run the commands in the examples below
-  within ``docker run -it kasproject/kas:<version> sh`` or bind-mount the
-  project into the container. See https://hub.docker.com/r/kasproject for all
-  available images.
+- Use the container image locally. In this case, download the ``kas-docker``
+  script from the kas repository and use it in place of the ``kas`` command.
+  The script version corresponds to the kas tool and the kas image version.
+- Use the container image in CI. Specify
+  ``ghcr.io/siemens/kas/kas[-isar][:<x.y>]`` in your CI script that requests
+  a container image as runtime environment. See
+  https://github.com/orgs/siemens/packages/container/kas%2Fkas/31765 and
+  https://github.com/orgs/siemens/packages/container/kas%2Fkas-isar/31794 for
+  all available images.
 - Use the **run-kas** wrapper from this directory. In this case,
   replace ``kas`` in the examples below with ``path/to/run-kas``.
 
diff --git a/kas-docker b/kas-docker
index 293da8a..14aef26 100755
--- a/kas-docker
+++ b/kas-docker
@@ -66,7 +66,7 @@ if [ -z "${KAS_IMAGE_VERSION}" ]; then
 	KAS_IMAGE_VERSION="2.2"
 fi
 
-DOCKER_IMAGE=kasproject/kas:${KAS_IMAGE_VERSION}
+DOCKER_IMAGE=ghcr.io/siemens/kas/kas:${KAS_IMAGE_VERSION}
 
 if [ -n "${KAS_WORK_DIR}" ]; then
 	KAS_WORK_DIR=$(readlink -f "${KAS_WORK_DIR}")
@@ -105,7 +105,7 @@ esac
 while [ $# -gt 0 ]; do
 	case "$1" in
 	--isar)
-		DOCKER_IMAGE="$(echo "${DOCKER_IMAGE}" | sed 's|kasproject/kas|kasproject/kas-isar|g')"
+		DOCKER_IMAGE="$(echo "${DOCKER_IMAGE}" | sed 's|ghcr.io/siemens/kas/kas|ghcr.io/siemens/kas/kas-isar|g')"
 		ISAR_ARGS="--privileged"
 
 		case "${KAS_DOCKER_ENGINE}" in