diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e39fa0bb..3936fa58 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,8 +14,10 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04]
-        python-version: ['3.8']
-        toxenv: [django32, django40, django42, quality]
+        python-version:
+        - '3.8'
+        - '3.12'
+        toxenv: [django42, quality]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 7c8a02cb..fcf78988 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -17,4 +17,6 @@
 ddt < 1.4.0
 
 # greater version breaking quality build. fix in separate PR.
-pylint==2.10.2
\ No newline at end of file
+pylint==2.10.2
+
+backports-zoneinfo[tzdata]==0.2.1 ; python_version < "3.9"
\ No newline at end of file
diff --git a/tox.ini b/tox.ini
index fa71d60a..d7a9de24 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,13 +1,12 @@
 [tox]
-envlist = py38-django{32,40,42},quality
+envlist = py{38, 312}-django{42},quality
 
 [testenv]
 setenv = 
     DJANGO_SETTINGS_MODULE = edxsearch.settings
     PYTHONPATH = {toxinidir}
-deps = 
-    django32: Django>=3.2,<4.0
-    django40: Django>=4.0,<4.1
+deps =
+    setuptools
     django42: Django>=4.2,<4.3
     -r {toxinidir}/requirements/testing.txt
 commands = 
@@ -21,4 +20,3 @@ deps =
     -r{toxinidir}/requirements/quality.txt
 commands = 
     make quality
-