diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4b2ab43d..52bf3783 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -66,6 +66,7 @@ jobs:
         - linux: py311-cov-xdist
           coverage: codecov
         - linux: py312-xdist
+        - linux: py313-xdist
   test_downstream:
     uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@924441154cf3053034c6513d5e06c69d262fb9a6  # v1.13.0
     needs: [ data ]
diff --git a/changes/333.feature.rst b/changes/333.feature.rst
new file mode 100644
index 00000000..09dfd8af
--- /dev/null
+++ b/changes/333.feature.rst
@@ -0,0 +1 @@
+Add python 3.13 support.