diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 96473769..c739873b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,17 +27,18 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-20.04]
-        python-version: [3.8]
-        toxenv: [py38-django32, py38-django42, integration32, integration42, quality]
+        toxenv: [py38-django32, py38-django42, py311-django42, integration32, integration42, quality]
 
     steps:
     - name: checkout repo
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: setup python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
-        python-version: ${{ matrix.python-version }}
+        python-version: |
+          3.8
+          3.11
 
     - name: Install Required System Packages
       if: ${{ startsWith(matrix.toxenv, 'integration') }}
@@ -55,7 +56,7 @@ jobs:
 
     - name: Run coverage
       if: matrix.python-version == '3.8' && matrix.toxenv == 'py38-django32'
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         flags: unittests
diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index 527dc58c..7db68890 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -10,10 +10,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: setup python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: 3.8
 
diff --git a/README.md b/README.md
index be1d3812..b74de6e1 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,12 @@
+> [!WARNING]
+> Problem Builder is no longer being developed by OpenCraft.
+> It will be supported with compatibility and security fixes
+> till the Teak release after which this repository will be
+> stop receiving further updates and be archived.
+> A simplified XBlock with some of the key features of this
+> block is being investigated at OpenCraft.
+
+
 ## Problem Builder and Step Builder
 
 [![Circle CI](https://circleci.com/gh/open-craft/problem-builder.svg?style=svg)](https://circleci.com/gh/open-craft/problem-builder)
diff --git a/problem_builder/__init__.py b/problem_builder/__init__.py
index 1070cc03..18f06b02 100644
--- a/problem_builder/__init__.py
+++ b/problem_builder/__init__.py
@@ -1 +1 @@
-__version__ = "5.1.4"
+__version__ = "5.1.5"
diff --git a/setup.py b/setup.py
index a4978f0c..3cfc93fe 100644
--- a/setup.py
+++ b/setup.py
@@ -167,7 +167,13 @@ def package_data(pkg, roots):
 setup(
     name='xblock-problem-builder',
     version=VERSION,
-    description='XBlock - Problem Builder',
+    description='XBlock - Problem Builder [deprecated]',
+    classifiers=[
+        "Development Status :: 7 - Inactive",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.11",
+    ],
     long_description=README,
     long_description_content_type='text/markdown',
     author='OpenCraft',
diff --git a/tox.ini b/tox.ini
index b605e328..c5bdeb1a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py38-django32,py38-django42,quality
+envlist = py38-django32,py38-django42,py311-django42,quality
 
 [pycodestyle]
 exclude = .git,.tox,migrations