diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3bd02f7..0b4282d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,10 @@ for emergencies).
 
 ## [Unreleased]
 
+### Added
+
+- Added testing against Python 3.13 (beta).
+
 ## [24.1.1] - 2024-02-17
 
 No content changes, tag created for updated docsite publishing workflow.
diff --git a/tox.ini b/tox.ini
index 56c7326..5bf6682 100644
--- a/tox.ini
+++ b/tox.ini
@@ -67,7 +67,7 @@ commands_pre=
 commands=
     ansible-lint --fix=all --strict --profile production -v
 
-[testenv:py3{11,12}-ci-action]
+[testenv:py3{11,12,13}-ci-action]
 deps=
     {[galaxy-setup]deps}
 setenv=
diff --git a/workflow-support/make_ci_image.sh b/workflow-support/make_ci_image.sh
index 0d5e2a8..bfc0e3e 100755
--- a/workflow-support/make_ci_image.sh
+++ b/workflow-support/make_ci_image.sh
@@ -10,7 +10,7 @@ image_name=${1}; shift
 lint_deps=(shellcheck)
 publish_deps=(yq)
 
-toxenvs=(lint-action py3{11,12}-ci-action publish-action)
+toxenvs=(lint-action py3{11,12,13}-ci-action publish-action)
 
 c=$(buildah from "${base_image}")
 
diff --git a/workflow-support/versions.json b/workflow-support/versions.json
index 7f86639..c69bc6c 100644
--- a/workflow-support/versions.json
+++ b/workflow-support/versions.json
@@ -1 +1 @@
-versions={"python": ["py311", "py312"]}
+versions={"python": ["py311", "py312", "py313"]}