diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ee28688..7c56c6cc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 # 2.TBD.TBD
 
 ## Breaking changes
-- None
+- Note that version 2.21 upgraded Python to 3.13 and unintentionally dropped support for Python 3.12. This release, restores support for Python 3.12, while continuing to use Python 3.13 in the official ElastAlert 2 Docker image. Python 3.12 support will be dropped in a future release. - [#1585](https://github.com/jertel/elastalert2/pull/1585) - @jertel
 
 ## New features
 - None
@@ -12,7 +12,7 @@
 # 2.21.0
 
 ## Breaking changes
-- None
+- Be aware that this version dropped support for Python 3.12. It was re-added in the following release due to some distributions not yet supporting Python 3.13.
 
 ## New features
 - [Notifications] System error notifications can now be delivered via the same set of alerters as rule alerts - [#1546](https://github.com/jertel/elastalert2/pull/1546) - @jertel
diff --git a/docs/source/running_elastalert.rst b/docs/source/running_elastalert.rst
index 12a993bd..4e4fc10e 100644
--- a/docs/source/running_elastalert.rst
+++ b/docs/source/running_elastalert.rst
@@ -146,7 +146,7 @@ Requirements
 
 - Elasticsearch 7.x or 8.x, or OpenSearch 1.x or 2.x
 - ISO8601 or Unix timestamped data
-- Python 3.13. Require OpenSSL 3.0.8 or newer.
+- Python 3.13. Require OpenSSL 3.0.8 or newer. Note that Python 3.12 is still supported but will be removed in a future release.
 - pip
 - Packages on Ubuntu 24.04: build-essential python3-pip python3.13 python3.13-dev libffi-dev libssl-dev
 
diff --git a/setup.py b/setup.py
index 1ea986c4..56d11635 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@
                             'elastalert=elastalert.elastalert:main']},
     packages=find_packages(exclude=["tests"]),
     package_data={'elastalert': ['schema.yaml', 'es_mappings/**/*.json']},
-    python_requires='>=3.13',
+    python_requires='>=3.12',
     install_requires=[
         'apscheduler>=3.10.4,<4.0',
         'aws-requests-auth>=0.4.3',