diff --git a/docs/faq/install.txt b/docs/faq/install.txt
index ddb84d6d9c..4623e288fb 100644
--- a/docs/faq/install.txt
+++ b/docs/faq/install.txt
@@ -52,7 +52,7 @@ Django version Python versions
 ============== ===============
 4.2            3.8, 3.9, 3.10, 3.11, 3.12 (added in 4.2.8)
 5.0            3.10, 3.11, 3.12
-5.1            3.10, 3.11, 3.12
+5.1            3.10, 3.11, 3.12, 3.13 (added in 5.1.3)
 5.2            3.10, 3.11, 3.12, 3.13
 ============== ===============
 
diff --git a/docs/howto/windows.txt b/docs/howto/windows.txt
index 83aa8d0655..235b18a24f 100644
--- a/docs/howto/windows.txt
+++ b/docs/howto/windows.txt
@@ -2,7 +2,7 @@
 How to install Django on Windows
 ================================
 
-This document will guide you through installing Python 3.12 and Django on
+This document will guide you through installing Python 3.13 and Django on
 Windows. It also provides instructions for setting up a virtual environment,
 which makes it easier to work on Python projects. This is meant as a beginner's
 guide for users working on Django projects and does not reflect how Django
@@ -18,7 +18,7 @@ Install Python
 ==============
 
 Django is a Python web framework, thus requiring Python to be installed on your
-machine. At the time of writing, Python 3.12 is the latest version.
+machine. At the time of writing, Python 3.13 is the latest version.
 
 To install Python on your machine go to https://www.python.org/downloads/. The
 website should offer you a download button for the latest Python version.
diff --git a/docs/intro/reusable-apps.txt b/docs/intro/reusable-apps.txt
index 98f21c9d91..e2c25f3525 100644
--- a/docs/intro/reusable-apps.txt
+++ b/docs/intro/reusable-apps.txt
@@ -237,6 +237,7 @@ this. For a small app like polls, this process isn't too difficult.
            "Programming Language :: Python :: 3.10",
            "Programming Language :: Python :: 3.11",
            "Programming Language :: Python :: 3.12",
+           "Programming Language :: Python :: 3.13",
            "Topic :: Internet :: WWW/HTTP",
            "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
        ]
diff --git a/docs/releases/5.1.3.txt b/docs/releases/5.1.3.txt
index 9cb48dc2f3..5541a8824a 100644
--- a/docs/releases/5.1.3.txt
+++ b/docs/releases/5.1.3.txt
@@ -4,7 +4,8 @@ Django 5.1.3 release notes
 
 *Expected November 5, 2024*
 
-Django 5.1.3 fixes several bugs in 5.1.2.
+Django 5.1.3 fixes several bugs in 5.1.2 and adds compatibility with Python
+3.13.
 
 Bugfixes
 ========
diff --git a/docs/releases/5.1.txt b/docs/releases/5.1.txt
index bc868fddda..037c76fd54 100644
--- a/docs/releases/5.1.txt
+++ b/docs/releases/5.1.txt
@@ -18,8 +18,9 @@ project.
 Python compatibility
 ====================
 
-Django 5.1 supports Python 3.10, 3.11, and 3.12. We **highly recommend** and
-only officially support the latest release of each series.
+Django 5.1 supports Python 3.10, 3.11, 3.12, and 3.13 (as of 5.1.3). We
+**highly recommend** and only officially support the latest release of each
+series.
 
 .. _whats-new-5.1:
 
diff --git a/pyproject.toml b/pyproject.toml
index 540bc47439..86ea7393ec 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,6 +30,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Topic :: Internet :: WWW/HTTP",
     "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
     "Topic :: Internet :: WWW/HTTP :: WSGI",
diff --git a/tox.ini b/tox.ini
index c635a129b2..7a76693f21 100644
--- a/tox.ini
+++ b/tox.ini
@@ -26,7 +26,7 @@ setenv =
     PYTHONDONTWRITEBYTECODE=1
 deps =
     -e .
-    py{3,310,311,312,py3}: -rtests/requirements/py3.txt
+    py{3,310,311,312,313,py3}: -rtests/requirements/py3.txt
     postgres: -rtests/requirements/postgres.txt
     mysql: -rtests/requirements/mysql.txt
     oracle: -rtests/requirements/oracle.txt