diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 57af4bce..598173d5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,8 +22,7 @@ jobs:
       matrix:
         os: [ubuntu-20.04]
         python-version:
-        - '3.8'
-        - '3.11'
+        - '3.12'
         toxenv: [py, quality]
 
     steps:
@@ -53,8 +52,7 @@ jobs:
       matrix:
         os: [ubuntu-20.04]
         python-version:
-        - '3.8'
-        - '3.11'
+        - '3.12'
     steps:
     - uses: actions/checkout@v4
 
diff --git a/Makefile b/Makefile
index b1163832..532a3f1f 100644
--- a/Makefile
+++ b/Makefile
@@ -60,4 +60,4 @@ test: ## run tests on every supported Python version
 	tox
 
 validate: ## run tests and quality checks
-	tox -e quality,py38
+	tox -e quality,py
diff --git a/README.rst b/README.rst
index 36fdc603..6317c689 100644
--- a/README.rst
+++ b/README.rst
@@ -32,7 +32,7 @@ Using the cookiecutters
   cd edx-cookiecutters
 
   # Set up a virtualenv using virtualenvwrapper with the same name as the repo and activate it
-  mkvirtualenv -p python3.8 edx-cookiecutters
+  mkvirtualenv -p python3.12 edx-cookiecutters
 
 2. Create a cookiecutter Repository
 ===================================
@@ -77,7 +77,7 @@ Directions for contributing to this repository
   cd edx-cookiecutters
 
   # Set up a virtualenv using virtualenvwrapper with the same name as the repo and activate it
-  mkvirtualenv -p python3.8 edx-cookiecutters
+  mkvirtualenv -p python3.12 edx-cookiecutters
   # Activate the virtualenv
   workon edx-cookiecutters
 
diff --git a/cookiecutter-django-app/{{cookiecutter.repo_name}}/tox.ini b/cookiecutter-django-app/{{cookiecutter.repo_name}}/tox.ini
index 05d2e910..03c20e2d 100644
--- a/cookiecutter-django-app/{{cookiecutter.repo_name}}/tox.ini
+++ b/cookiecutter-django-app/{{cookiecutter.repo_name}}/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py38-django{32,40}
+envlist = py312-django{42}
 
 [doc8]
 ; D001 = Line too long
@@ -36,8 +36,7 @@ norecursedirs = .* docs requirements site-packages
 
 [testenv]
 deps =
-    django32: Django>=3.2,<4.0
-    django40: Django>=4.0,<4.1
+    django42: Django>=4.0,<5.0
     -r{toxinidir}/requirements/test.txt
 commands =
     python manage.py check
diff --git a/cookiecutter-django-ida/{{cookiecutter.repo_name}}/tox.ini b/cookiecutter-django-ida/{{cookiecutter.repo_name}}/tox.ini
index 8112b5ac..9148f530 100644
--- a/cookiecutter-django-ida/{{cookiecutter.repo_name}}/tox.ini
+++ b/cookiecutter-django-ida/{{cookiecutter.repo_name}}/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py38-django{32,40}, quality, docs, pii_check
+envlist = py312-django{42}, quality, docs, pii_check
 skipsdist = true
 
 [doc8]
@@ -43,8 +43,7 @@ filterwarnings =
 
 [testenv]
 deps =
-    django32: Django>=3.2,<4.0
-    django40: Django>=4.0,<4.1
+    django42: Django>=4.0,<5.0
     -r{toxinidir}/requirements/test.txt
 commands =
     pytest {posargs}
diff --git a/cookiecutter-xblock/{{cookiecutter.repo_name}}/tox.ini b/cookiecutter-xblock/{{cookiecutter.repo_name}}/tox.ini
index bf3ae14a..bcaa1625 100644
--- a/cookiecutter-xblock/{{cookiecutter.repo_name}}/tox.ini
+++ b/cookiecutter-xblock/{{cookiecutter.repo_name}}/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py38-django{32,40}, quality, docs
+envlist = py312-django{42}, quality, docs
 skipsdist = true
 
 [doc8]
@@ -37,8 +37,7 @@ norecursedirs = .* docs requirements site-packages
 
 [testenv]
 deps =
-    django32: Django>=3.2,<4.0
-    django40: Django>=4.0,<4.1
+    django42: Django>=4.0,<5.0
     -r{toxinidir}/requirements/test.txt
 allowlist_externals =
     mkdir
diff --git a/python-template/{{cookiecutter.placeholder_repo_name}}/tox.ini b/python-template/{{cookiecutter.placeholder_repo_name}}/tox.ini
index d7ac37c4..ad57ff4b 100644
--- a/python-template/{{cookiecutter.placeholder_repo_name}}/tox.ini
+++ b/python-template/{{cookiecutter.placeholder_repo_name}}/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{38}
+envlist = py{312}
 
 [doc8]
 ; D001 = Line too long
diff --git a/tox.ini b/tox.ini
index 4aa4eb79..582e8c64 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{38,311,312}
+envlist = py{312}
 skipsdist = true
 
 [isort]