diff --git a/Dockerfile b/Dockerfile
index ed72ac0e..39c56e1d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,6 +32,8 @@ RUN mamba env update -n base -f /tmp/environment.yml && \
     echo "Installing CUDA-enabled PyTorch" && \
     pip install --no-cache-dir --force-reinstall torch torchvision; \
     fi && \
+    # Install ipytestsuite from TestPyPI (temporary, will use PyPI once published)
+    pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple/ "ipytestsuite[ai]" && \
     # Clean up all package caches to reduce image size
     mamba clean --all -f -y && \
     # Remove pip cache
diff --git a/binder/environment.yml b/binder/environment.yml
index 0293e453..d5b3f0d2 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -4,7 +4,7 @@ channels:
   - conda-forge
   - pytorch
 dependencies:
-  - python=3.10
+  - python=3.12
   - pip
   - pip:
       - numpy
@@ -22,10 +22,6 @@ dependencies:
       - scikit-learn
       - attrs
       - multiprocess
-      - openai
-      - tenacity
-      - markdown2
-      - python-dotenv
       - pillow
       - opencv-python
       - torch
diff --git a/binder/postBuild b/binder/postBuild
index 8f6dd066..26d20a78 100755
--- a/binder/postBuild
+++ b/binder/postBuild
@@ -3,3 +3,6 @@ set -ex
 
 mkdir -p ${HOME}/.ipython/profile_default
 cp binder/ipython_config.py ${HOME}/.ipython/profile_default/
+
+# Install ipytestsuite from TestPyPI (temporary, will use PyPI once published)
+pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple/ "ipytestsuite[ai]"
diff --git a/docker/environment.yml b/docker/environment.yml
index 6fa594e4..fcf7038c 100644
--- a/docker/environment.yml
+++ b/docker/environment.yml
@@ -3,6 +3,7 @@ name: base
 channels:
   - conda-forge
 dependencies:
+  - python=3.12
   - pip
   - pip:
       - numpy
@@ -20,10 +21,6 @@ dependencies:
       - scikit-learn
       - attrs
       - multiprocess
-      - openai
-      - tenacity
-      - markdown2
-      - python-dotenv
       - pillow
       - opencv-python
       - albumentations
diff --git a/magic_example.ipynb b/magic_example.ipynb
index 07b759cc..4061a90d 100644
--- a/magic_example.ipynb
+++ b/magic_example.ipynb
@@ -8,7 +8,7 @@
    },
    "outputs": [],
    "source": [
-    "%reload_ext tutorial.tests.testsuite"
+    "%reload_ext ipytestsuite"
    ]
   },
   {
@@ -19,7 +19,7 @@
    },
    "outputs": [],
    "source": [
-    "%%ipytest\n",
+    "%%ipytest --path tutorial/tests\n",
     "# or %%ipytest test_module_name\n",
     "\n",
     "def solution_power2(x: int) -> int:\n",
@@ -89,7 +89,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.10"
+   "version": "3.12.11"
   },
   "vscode": {
    "interpreter": {
diff --git a/pyproject.toml b/pyproject.toml
index a40c781a..c592f16c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
 name = "python-tutorial"
 version = "v2025.05"
 description = "Jupyter-based Python programming tutorial"
-requires-python = ">=3.10"
+requires-python = ">=3.12"
 
 [project.optional-dependencies]
 dev = [
@@ -21,16 +21,13 @@ dev = [
   "scikit-learn",
   "attrs",
   "multiprocess",
-  "openai",
-  "tenacity",
-  "markdown2",
-  "python-dotenv",
   "pillow",
   "opencv-python",
   "albumentations",
   "grad-cam",
   "plotly",
-  "torch==2.7.0",  # pinned to last stable version as of 2025-05-14
+  "torch>=2.0.0",  # PyTorch 2.x series
+  "ipytestsuite[ai]>=0.1.0",
 ]
 
 # pytest
@@ -93,3 +90,11 @@ indent-style = "space"
 # Setuptools: suppress package discovery
 [tool.setuptools]
 packages = []
+
+[[tool.uv.index]]
+name = "testpypi"
+url = "https://test.pypi.org/simple/"
+explicit = true
+
+[tool.uv.sources]
+ipytestsuite = { index = "testpypi" }