diff --git a/.travis.yml b/.travis.yml
index 5a681ad..a14adb3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,6 +16,8 @@ matrix:
   include:
   - python: 3.8
     env: TOXENV=quality
+  - python: 3.8
+    env: TOXENV=dist-validation
 before_script:
 - export PIP_USE_MIRRORS=true
 - export DJANGO_SETTINGS_MODULE=test_settings
diff --git a/CHANGES.rst b/CHANGES.rst
index 58a4172..e3650e5 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,14 +1,16 @@
 Changelog
 =========
 
-3.0.0 (in development)
-----------------------
-* `#147`_: Cleaned Tox test environment.
-* `#147`_: Removed Django 2.0 from test matrix as no longer supported.
-* `#152`_: Removed Django 1.10 from test matrix as no longer supported.
+3.0.0
+-----
+* `#147`_: Dropped support for Django 2.0
+* `#152`_: Dropped support for Django 1.10
 * `#152`_: Add support for Python 3.8
 * `#152`_: Add support for Django 3.0
 
+.. _#147: https://github.com/jazzband/django-sortedm2m/issues/147
+.. _#152: https://github.com/jazzband/django-sortedm2m/issues/152
+
 2.0.0
 -----
 * `#135`_: Updated README with Jazzband details, and added CONTRIBUTING.md
diff --git a/tox.ini b/tox.ini
index 34bfd14..3e712de 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,3 +32,10 @@ whitelist_externals =
 commands =
     make quality
 
+
+[testenv:dist-validation]
+deps =
+    twine>=3.1.1
+commands =
+    python setup.py sdist
+    twine check dist/*