diff --git a/README.rst b/README.rst
index 26c9c517..63ff8bad 100644
--- a/README.rst
+++ b/README.rst
@@ -153,20 +153,20 @@ variable. The default version is dependent on ``MB_ML_LIBC`` and ``PLAT``.
 
 When ``MB_ML_LIBC`` is ``musllinux``:
 
-* ``multibuild/alpine3.20_x86_64``,  when ``PLAT`` is ``x86_64``
-* ``multibuild/alpine3.20_arm64v8``,  when ``PLAT`` is ``aarch64``
+* ``multibuild/alpine3.22_x86_64``,  when ``PLAT`` is ``x86_64``
+* ``multibuild/alpine3.22_arm64v8``,  when ``PLAT`` is ``aarch64``
 
 Otherwise:
 
-* ``multibuild/focal_x86_64``, when ``PLAT`` is ``x86_64``
+* ``multibuild/noble_x86_64``, when ``PLAT`` is ``x86_64``
 * ``matthewbrett/trusty:32`` when ``PLAT`` is ``i686`` (Yes, an older image for 32-bit)
-* ``multibuild/focal_arm64v8`` when ``PLAT`` is ``aarch64``
-* ``multibuild/focal_ppc64le`` when ``PLAT`` is ``ppc64le``
-* ``multibuild/focal_s390x`` when ``PLAT`` is ``s390x``
+* ``multibuild/noble_arm64v8`` when ``PLAT`` is ``aarch64``
+* ``multibuild/noble_ppc64le`` when ``PLAT`` is ``ppc64le``
+* ``multibuild/noble_s390x`` when ``PLAT`` is ``s390x``
 
 Other valid values are any in https://quay.io/organization/pypa,
 using the correct platform code. Alternatively, you can use the substitution
-pattern ``multibuild/focal_{PLAT}`` in the ``.travis.yml`` file.
+pattern ``multibuild/noble_{PLAT}`` in the ``.travis.yml`` file.
 
 See ``multibuild/docker_test_wrap.sh``.
 
diff --git a/travis_linux_steps.sh b/travis_linux_steps.sh
index b4475293..cfc30e3e 100644
--- a/travis_linux_steps.sh
+++ b/travis_linux_steps.sh
@@ -125,13 +125,13 @@ function install_run {
         if [ "$MB_ML_LIBC" == "musllinux" ]; then
         	# PLAT is the same as $plat,
         	# unless $plat is "aarch64", in which case it becomes "arm64v8"
-            local docker_image="multibuild/alpine3.20_{PLAT}"
+            local docker_image="multibuild/alpine3.22_{PLAT}"
         elif [ "$plat" == i686 ]; then
             local docker_image="matthewbrett/trusty:32"
         else
         	# PLAT is the same as $plat,
         	# unless $plat is "aarch64", in which case it becomes "arm64v8"
-            local docker_image="multibuild/focal_{PLAT}"
+            local docker_image="multibuild/noble_{PLAT}"
         fi
     else
         local docker_image="$DOCKER_TEST_IMAGE"