diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dd67298..950e9aa 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,8 +12,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.12']
-        django-version: ['4.2', '5.1', 'dev']
+        python-version: ['3.12', '3.13']
+        django-version: ['5.1', 'dev']
         database-engine: ["mysql", "postgres"]
 
     services:
diff --git a/pyproject.toml b/pyproject.toml
index 8adc9ae..93e6bd3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,18 +35,18 @@ exclude_lines = [
 legacy_tox_ini = """
 [tox]
 envlist =
-    py{312}-dj{42,51,dev},
+    py{312,313}-dj{51,dev},
     lint
 
 isolated_build = true
 
 [gh-actions]
 python =
-    3.12: py312, lint
+    3.12: py312
+    3.13: py313, lint
 
 [gh-actions:env]
 DJANGO =
-    4.2: dj42
     5.1: dj51
     dev: djdev, lint
 
@@ -56,12 +56,12 @@ deps =
     -r https://raw.githubusercontent.com/clinicedc/edc/develop/requirements.tests/test_utils.txt
     -r https://raw.githubusercontent.com/clinicedc/edc/develop/requirements.tests/edc.txt
     -r https://raw.githubusercontent.com/clinicedc/edc/develop/requirements.tests/third_party_dev.txt
-    dj42: Django>=4.2,<5.0
     dj51: Django>=5.1,<5.2
     djdev: https://github.com/django/django/tarball/main
 
 commands =
     pip install -U pip
+    python --version
     pip --version
     pip freeze
     coverage run -a runtests.py
diff --git a/setup.cfg b/setup.cfg
index ced95b8..96a6e54 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -12,7 +12,6 @@ keywords = django edc vitals, clinicedc, clinical trials
 classifiers=
     Environment :: Web Environment
     Framework :: Django
-    Framework :: Django :: 4.2
     Framework :: Django :: 5.1
     Intended Audience :: Developers
     Intended Audience :: Science/Research