diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e0eba3fc..b0a3e33f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-20.04]
-        python-version: [3.8]
+        python-version: [3.8, 3.11, 3.12]
         test-target: [test, quality]
 
     steps:
@@ -29,17 +29,35 @@ jobs:
 
     - name: Build Docker
       run: |
-        docker-compose -f .github/docker-compose-ci.yml up -d
-        docker exec ecomworker bash -c "sudo apt update -y; sudo apt install python3-dev -y;"
-
+        docker compose -f .github/docker-compose-ci.yml up -d
+        docker exec ecomworker bash -c "
+        sudo apt-get update -y &&
+        sudo apt-get install python${{ matrix.python-version }} \
+        python${{ matrix.python-version }}-dev \
+        python${{ matrix.python-version }}-distutils -y &&
+        curl -sS https://bootstrap.pypa.io/get-pip.py | python${{ matrix.python-version }};"
+        # Need to install pip from source here^ otherwise some packages don't get installed
+    - name: Format Python Version
+      run: |
+        PYTHON_VERSION=${{ matrix.python-version }}
+        FORMATTED_VERSION=${PYTHON_VERSION/3./py3} 
+        echo "PYTHON_VERSION=$FORMATTED_VERSION" >> $GITHUB_ENV
+    - name: Install dependencies
+      run: |
+          docker exec -t ecomworker bash -c "
+            cd /edx/app/ecomworker/ecomworker &&
+            python${{ matrix.python-version }} -m pip install tox
+          "
     - name: Run Tests
       env:
         TARGETS: ${{ matrix.test-target }}
       run: |
-        docker exec ecomworker bash -c "cd /edx/app/ecomworker/ecomworker && make $TARGETS"
+        docker exec ecomworker bash -c "
+        cd /edx/app/ecomworker/ecomworker &&
+        PYTHON_VERSION=${{ matrix.python-version }} PYTHON_ENV=$PYTHON_VERSION make $TARGETS"
 
     - name: Run Coverage
-      if: matrix.test-target == 'test'
+      if: matrix.test-target == 'test' && matrix.python-version == '3.8'
       run: |
         pip install -U codecov
         codecov
diff --git a/Makefile b/Makefile
index d865b0dc..b02207e1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,6 @@
 PACKAGE = ecommerce_worker
-PYTHON_VERSION = py38
+PYTHON_VERSION_VAR=$(if $(PYTHON_VERSION),$(PYTHON_VERSION),3.12)
+PYTHON_ENV_VAR=$(if $(PYTHON_ENV),$(PYTHON_ENV),py312)
 
 help: ## display this help message
 	@echo "Please use \`make <target>' where <target> is one of"
@@ -15,7 +16,7 @@ worker: ## start the Celery worker process
 	celery -A ecommerce_worker worker --app=$(PACKAGE).celery_app:app --loglevel=info --queue=fulfillment,email_marketing
 
 test: requirements_tox  ## run unit tests and report on coverage
-	tox -e ${PYTHON_VERSION}
+	python${PYTHON_VERSION_VAR} -m tox -e ${PYTHON_ENV_VAR}
 
 quality: requirements_tox  ## run pep8 and pylint
 	tox -e quality
diff --git a/ecommerce_worker/configuration/base.py b/ecommerce_worker/configuration/base.py
index eb1fa8ba..ea149559 100644
--- a/ecommerce_worker/configuration/base.py
+++ b/ecommerce_worker/configuration/base.py
@@ -33,9 +33,9 @@
 # See http://celery.readthedocs.org/en/4.0/userguide/configuration.html#std:setting-worker_hijack_root_logger.
 CELERYD_HIJACK_ROOT_LOGGER = False
 
-# Specify allowed serializers that are consistent with Celery 3 defaults
-CELERY_TASK_SERIALIZER = 'pickle'
-CELERY_RESULT_SERIALIZER = 'pickle'
+# Sync settings with LMS/CMS
+CELERY_TASK_SERIALIZER = 'json'
+CELERY_RESULT_SERIALIZER = 'json'
 CELERY_EVENT_SERIALIZER = 'json'
 CELERY_ACCEPT_CONTENT = ['json', 'pickle', 'yaml']
 # END CELERY
diff --git a/tox.ini b/tox.ini
index a073a96b..cc93af0d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{38},quality
+envlist = py{38, 311, 312},quality
 skipsdist = true
 
 [isort]