diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 32ec301f..26c96066 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -37,7 +37,7 @@ jobs:
         # any additional builds for windows and macos
         # handled via `include` to avoid an over-large test matrix
         os: [ubuntu-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "pypy-3.9"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "pypy-3.9"]
         include:
           - os: windows-latest
             python-version: "3.x"
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 75789be3..2d0bd045 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -13,6 +13,9 @@ testsuites.
 Unreleased
 ----------
 
+* Official support for ``python3.13`` betas. ``nose2`` now tests itself against
+  Python 3.13.
+
 0.14.2 (2024-05-07)
 -------------------
 
diff --git a/tox.ini b/tox.ini
index d6445708..371acf02 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist=py{38,39,310,311,312}{,-nocov},pypy,docs,lint
+envlist=py{38,39,310,311,312,313}{,-nocov},pypy,docs,lint
 
 [testenv]
 passenv = CI