diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 7f06066c..b91aab83 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -3,8 +3,6 @@
 name: pytest-coverage-comment
 on:
   pull_request:
-    branches:
-      - '*'
 
 # https://docs.github.com/en/actions/using-jobs/assigning-permissions-to-jobs
 # `contents` is for permission to the contents of the repository.
@@ -18,16 +16,15 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
+      - uses: actions/checkout@v4
 
       - name: Set up PDM
         uses: pdm-project/setup-pdm@v4
+        with:
+          cache: true
 
-      - name: Install dependencies
-        run: |
-          pdm install
+      - name: Install dependencies with multirepo
+        uses: chipflow/pdm-multirepo@v3
 
       - name: Build coverage file
         run: |
diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index c19b712f..66a0436f 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -13,7 +13,6 @@ jobs:
       - name: Setup PDM
         uses: pdm-project/setup-pdm@v4
         with:
-          python-version: 3.12
           cache: true
 
       - name: Install dependencies
diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index aab73bb8..0a75433c 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -19,9 +19,12 @@ jobs:
           fetch-depth: 0
       - name: Set up PDM
         uses: pdm-project/setup-pdm@v4
-      - name: Install dependencies
-        run: |
-          pdm install
+        with:
+          cache: true
+
+      - name: Install dependencies with multirepo
+        uses: chipflow/pdm-multirepo@v3
+
       - name: Run tests
         run: |
           pdm run test
@@ -39,75 +42,9 @@ jobs:
         with:
           fetch-depth: 0
       - name: Check source code licenses
-        run: |
-          docker run --platform=linux/amd64 -v ${PWD}:/src ghcr.io/google/addlicense -v -check -l BSD-2-Clause -c "ChipFlow" -s=only -ignore **/__init__.py **/*.py
+        run: ./tools/license_check.sh
 
   test-submit:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out source code
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-          path: chipflow-lib
-      - name: Check out chipflow-examples
-        uses: actions/checkout@v4
-        with:
-          repository: ChipFlow/chipflow-examples
-          fetch-depth: 0
-          path: chipflow-examples
-
-      - name: Set up PDM
-        uses: pdm-project/setup-pdm@v4
-        with:
-          python-version: "3.10"
-          cache: true
-          cache-dependency-path: "./**/pyproject.toml"
-      - name: Install dependencies
-        working-directory: ./chipflow-examples
-        run: |
-          pdm install
-          pdm run python -m ensurepip
-          pdm run python -m pip install -e ../chipflow-lib
-      - name: Run tests
-        working-directory: ./chipflow-examples/minimal
-        run: |
-          pdm test
-          pdm run chipflow pin lock
-          pdm run chipflow silicon submit --wait
-        env:
-          CHIPFLOW_API_KEY: ${{ secrets.CHIPFLOW_API_KEY}}
-
-  test-submit-dry:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out source code
-        uses: actions/checkout@v4
-        with:
-            fetch-depth: 0
-            path: chipflow-lib
-      - name: Check out chipflow-examples
-        uses: actions/checkout@v4
-        with:
-            repository: ChipFlow/chipflow-examples
-            fetch-depth: 0
-            path: chipflow-examples
-
-      - name: Set up PDM
-        uses: pdm-project/setup-pdm@v4
-        with:
-          python-version: "3.10"
-          cache: true
-          cache-dependency-path: "./**/pyproject.toml"
-      - name: Install dependencies
-        working-directory: ./chipflow-examples
-        run: |
-          pdm install
-          pdm run python -m ensurepip
-          pdm run python -m pip install -e ../chipflow-lib
-      - name: Run tests
-        working-directory: ./chipflow-examples/minimal
-        run: |
-          pdm test
-          pdm run chipflow pin lock
-          pdm run chipflow silicon submit --dry-run
+    uses: ./.github/workflows/test-examples.yml
+    secrets:
+      CHIPFLOW_API_KEY: ${{ secrets.CHIPFLOW_API_KEY}}
diff --git a/.github/workflows/preview-docs.yml b/.github/workflows/preview-docs.yml
index 81dbb37f..13a643b7 100644
--- a/.github/workflows/preview-docs.yml
+++ b/.github/workflows/preview-docs.yml
@@ -17,11 +17,10 @@ jobs:
       - name: Setup PDM
         uses: pdm-project/setup-pdm@v4
         with:
-          python-version: 3.12
           cache: true
 
-      - name: Install dependencies
-        run: pdm install
+      - name: Install dependencies with multirepo
+        uses: chipflow/pdm-multirepo@v3
 
       - name: Build docs
         run: pdm docs
diff --git a/.github/workflows/test-examples.yml b/.github/workflows/test-examples.yml
new file mode 100644
index 00000000..95308ad3
--- /dev/null
+++ b/.github/workflows/test-examples.yml
@@ -0,0 +1,76 @@
+name: Reusable workflow to test everything in chipflow-examples works
+
+on:
+  workflow_call:
+    secrets:
+      CHIPFLOW_API_KEY:
+        required: true
+
+jobs:
+  test-submit:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        dry: [true, false]
+        repo:
+          - name: "ChipFlow/chipflow-examples"
+            design: "minimal"
+    env:
+      DRY: ${{ matrix.dry && '--dry-run' || '' }}
+      is_dry: ${{ matrix.dry && '(dry run)' || '' }}
+      our_path: "${{ github.workspace}}/${{ github.repo }}"
+      test_repo_path: "${{ github.workspace }}/${{ matrix.repo.name }}"
+
+    name:  ${{ matrix.dry && 'Test Submit - Dry run' || 'Test submit' }}
+
+    steps:
+      - name: Check out source code
+        uses: actions/checkout@v4
+        with:
+          path: ${{ env.our_path }}
+
+      - name: Check out ${{ matrix.repo.name }}
+        uses: actions/checkout@v4
+        with:
+          repository: ${{ matrix.repo.name }}
+          path: ${{ env.test_repo_path }}
+
+      - name: Check for branch ${{ github.head_ref }}
+        working-directory: ${{ env.test_repo_path }}
+        if: github.event_name == 'pull_request'
+        run: |
+          git remote update
+          git checkout ${{ github.head_ref }} || echo "${{github.head_ref}} not found, checking base ${{github.base_ref}}"
+
+      - name: Check for branch ${{ github.base_ref }}
+        working-directory: ${{ env.test_repo_path }}
+        if: github.event_name == 'pull_request'
+        run: |
+          git remote update
+          git checkout ${{ github.base_ref }} || echo "${{github.base_ref}} not found Falling back to main"
+
+
+      - name: Set up PDM
+        uses: pdm-project/setup-pdm@v4
+        with:
+          python-version: '3.10'
+          cache: true
+          cache-dependency-path: './**/pyproject.toml'
+
+      - name: Install dependencies with multirepo
+        uses: chipflow/pdm-multirepo@v3
+        with:
+          working-directory: ${{ env.test_repo_path }}
+
+      - name: Run tests
+        working-directory: ${{ env.test_repo_path }}
+        run: |
+          pdm test
+
+      - name: Submit build ${{ env.is_dry }}
+        working-directory: ${{ env.test_repo_path }}/${{ matrix.repo.design }}
+        run: |
+          pdm run chipflow pin lock
+          pdm run chipflow silicon submit --wait $DRY
+        env:
+          CHIPFLOW_API_KEY: ${{ secrets.CHIPFLOW_API_KEY}}
diff --git a/docs/getting-started.rst b/docs/getting-started.rst
index 331c0be0..6f0ca5d7 100644
--- a/docs/getting-started.rst
+++ b/docs/getting-started.rst
@@ -29,7 +29,8 @@ Clone chipflow-examples
 
 .. note::
     If you’re familiar with the `Git <https://git-scm.com/>`__ command line
-    then go clone [ChipFlow/chipflow-examples](https://github.com/ChipFlow/chipflow-examples)
+    then go clone `ChipFlow/chipflow-examples <https://github.com/ChipFlow/chipflow-examples>`,
+    switch to the `release branch <https://github.com/ChipFlow/chipflow-examples/tree/release>`,
     and jump ahead to `Install the Dependencies`_
 
 
@@ -39,7 +40,7 @@ it you will be asked to sign in or create an account - we recommend you
 take this moment to create a GitHub account if you don’t already have
 one!
 
-Navigate to `the chipflow-examples repository <https://github.com/ChipFlow/chipflow-examples>`__
+Navigate to `the chipflow-examples repository release branch <https://github.com/ChipFlow/chipflow-examples/tree/release>`__
 and click the green ‘Code’ button at the top. Select ‘Open with GitHub Desktop’ and
 then follow the prompts (N.B. your web browser may have a pop-up to
 authorise opening an external app)
@@ -165,19 +166,3 @@ you can instead call:
 .. |Image showing the link to click| image:: _assets/open-github-desktop.png
 .. |Image showing where to click in GitHub Desktop to open in VSCode| image:: _assets/github-desktop-open.png
 
-
-Installation
-------------
-
-1. Clone the ChipFlow repository:
-
-   .. code-block:: bash
-
-      git clone https://github.com/ChipFlow/chipflow-lib.git
-      cd chipflow-lib
-
-2. Install dependencies using PDM:
-
-   .. code-block:: bash
-
-      pdm install
diff --git a/pdm.lock b/pdm.lock
index e1c46d03..ab660aef 100644
--- a/pdm.lock
+++ b/pdm.lock
@@ -2,28 +2,28 @@
 # It is not intended for manual editing.
 
 [metadata]
-groups = ["default", "doc", "lint", "test"]
+groups = ["default", "dev"]
 strategy = ["inherit_metadata"]
 lock_version = "4.5.0"
-content_hash = "sha256:16f1c148bb979fe3aa07e3f68f07889f19cb07c96aa62aa93a6770a66105e787"
+content_hash = "sha256:56747870bdc90d61b3998ef927a80f142c6d09300a91eefba510a8d99a5ce383"
 
 [[metadata.targets]]
 requires_python = ">=3.10"
 
 [[package]]
 name = "alabaster"
-version = "1.0.0"
-requires_python = ">=3.10"
+version = "0.7.16"
+requires_python = ">=3.9"
 summary = "A light, configurable Sphinx theme"
-groups = ["doc"]
+groups = ["dev"]
 files = [
-    {file = "alabaster-1.0.0-py3-none-any.whl", hash = "sha256:fc6786402dc3fcb2de3cabd5fe455a2db534b371124f1f21de8731783dec828b"},
-    {file = "alabaster-1.0.0.tar.gz", hash = "sha256:c00dca57bca26fa62a6d7d0a9fcce65f3e026e9bfe33e9c538fd3fbb2144fd9e"},
+    {file = "alabaster-0.7.16-py3-none-any.whl", hash = "sha256:b46733c07dce03ae4e150330b975c75737fa60f0a7c591b6c8bf4928a28e2c92"},
+    {file = "alabaster-0.7.16.tar.gz", hash = "sha256:75a8b99c28a5dad50dd7f8ccdd447a121ddb3892da9e53d1ca5cca3106d58d65"},
 ]
 
 [[package]]
 name = "amaranth"
-version = "0.5.4"
+version = "0.5.5"
 requires_python = "~=3.8"
 summary = "Amaranth hardware definition language"
 groups = ["default"]
@@ -34,8 +34,8 @@ dependencies = [
     "pyvcd<0.5,>=0.2.2",
 ]
 files = [
-    {file = "amaranth-0.5.4-py3-none-any.whl", hash = "sha256:ce7473b4220acc78474474fd132177ca545fb144d4e69e1c7dbfc2ed7d32bcf3"},
-    {file = "amaranth-0.5.4.tar.gz", hash = "sha256:a0ea7ffe358ab00d5524b53c43277d279723437be146c8250e26f6b349b8a4fd"},
+    {file = "amaranth-0.5.5-py3-none-any.whl", hash = "sha256:b0dc1c75d0d7dcdf1df0c1f8e310ab87891d374ca6566ffa8aebde72a6fed77b"},
+    {file = "amaranth-0.5.5.tar.gz", hash = "sha256:5b32c03e889e4b84d0c5ef38fda9c9dabd5ffeba53297d8df26e334dcd3dff15"},
 ]
 
 [[package]]
@@ -78,16 +78,16 @@ files = [
 
 [[package]]
 name = "astroid"
-version = "3.3.9"
+version = "3.3.10"
 requires_python = ">=3.9.0"
 summary = "An abstract syntax tree for Python with inference support."
-groups = ["doc"]
+groups = ["dev"]
 dependencies = [
-    "typing-extensions>=4.0.0; python_version < \"3.11\"",
+    "typing-extensions>=4; python_version < \"3.11\"",
 ]
 files = [
-    {file = "astroid-3.3.9-py3-none-any.whl", hash = "sha256:d05bfd0acba96a7bd43e222828b7d9bc1e138aaeb0649707908d3702a9831248"},
-    {file = "astroid-3.3.9.tar.gz", hash = "sha256:622cc8e3048684aa42c820d9d218978021c3c3d174fb03a9f0d615921744f550"},
+    {file = "astroid-3.3.10-py3-none-any.whl", hash = "sha256:104fb9cb9b27ea95e847a94c003be03a9e039334a8ebca5ee27dafaf5c5711eb"},
+    {file = "astroid-3.3.10.tar.gz", hash = "sha256:c332157953060c6deb9caa57303ae0d20b0fbdb2e59b4a4f2a6ba49d0a7961ce"},
 ]
 
 [[package]]
@@ -106,7 +106,7 @@ name = "babel"
 version = "2.17.0"
 requires_python = ">=3.8"
 summary = "Internationalization utilities"
-groups = ["doc"]
+groups = ["dev"]
 dependencies = [
     "pytz>=2015.7; python_version < \"3.9\"",
 ]
@@ -120,7 +120,7 @@ name = "beautifulsoup4"
 version = "4.13.4"
 requires_python = ">=3.7.0"
 summary = "Screen-scraping library"
-groups = ["doc"]
+groups = ["dev"]
 dependencies = [
     "soupsieve>1.2",
     "typing-extensions>=4.0.0",
@@ -135,7 +135,7 @@ name = "certifi"
 version = "2025.4.26"
 requires_python = ">=3.6"
 summary = "Python package for providing Mozilla's CA Bundle."
-groups = ["default", "doc"]
+groups = ["default", "dev"]
 files = [
     {file = "certifi-2025.4.26-py3-none-any.whl", hash = "sha256:30350364dfe371162649852c63336a15c70c6510c2ad5015b21c2345311805f3"},
     {file = "certifi-2025.4.26.tar.gz", hash = "sha256:0a816057ea3cdefcef70270d2c515e4506bbc954f417fa5ade2021213bb8f0c6"},
@@ -146,7 +146,7 @@ name = "charset-normalizer"
 version = "3.4.2"
 requires_python = ">=3.7"
 summary = "The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet."
-groups = ["default", "doc"]
+groups = ["default", "dev"]
 files = [
     {file = "charset_normalizer-3.4.2-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:7c48ed483eb946e6c04ccbe02c6b4d1d48e51944b6db70f697e089c193404941"},
     {file = "charset_normalizer-3.4.2-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:b2d318c11350e10662026ad0eb71bb51c7812fc8590825304ae0bdd4ac283acd"},
@@ -206,17 +206,16 @@ files = [
 
 [[package]]
 name = "click"
-version = "8.1.8"
-requires_python = ">=3.7"
+version = "8.2.0"
+requires_python = ">=3.10"
 summary = "Composable command line interface toolkit"
 groups = ["default"]
 dependencies = [
     "colorama; platform_system == \"Windows\"",
-    "importlib-metadata; python_version < \"3.8\"",
 ]
 files = [
-    {file = "click-8.1.8-py3-none-any.whl", hash = "sha256:63c132bbbed01578a06712a2d1f497bb62d9c1c0d329b7903a866228027263b2"},
-    {file = "click-8.1.8.tar.gz", hash = "sha256:ed53c9d8990d83c2a27deae68e4ee337473f6330c040a31d4225c9574d16096a"},
+    {file = "click-8.2.0-py3-none-any.whl", hash = "sha256:6b303f0b2aa85f1cb4e5303078fadcbcd4e476f114fab9b5007005711839325c"},
+    {file = "click-8.2.0.tar.gz", hash = "sha256:f5452aeddd9988eefa20f90f05ab66f17fce1ee2a36907fd30b05bbb5953814d"},
 ]
 
 [[package]]
@@ -235,7 +234,7 @@ name = "colorama"
 version = "0.4.6"
 requires_python = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
 summary = "Cross-platform colored terminal text."
-groups = ["default", "doc", "test"]
+groups = ["default", "dev"]
 marker = "sys_platform == \"win32\" or platform_system == \"Windows\""
 files = [
     {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"},
@@ -247,7 +246,7 @@ name = "coverage"
 version = "7.8.0"
 requires_python = ">=3.9"
 summary = "Code coverage measurement for Python"
-groups = ["test"]
+groups = ["dev"]
 files = [
     {file = "coverage-7.8.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:2931f66991175369859b5fd58529cd4b73582461877ecfd859b6549869287ffe"},
     {file = "coverage-7.8.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:52a523153c568d2c0ef8826f6cc23031dc86cffb8c6aeab92c4ff776e7951b28"},
@@ -310,7 +309,7 @@ version = "7.8.0"
 extras = ["toml"]
 requires_python = ">=3.9"
 summary = "Code coverage measurement for Python"
-groups = ["test"]
+groups = ["dev"]
 dependencies = [
     "coverage==7.8.0",
     "tomli; python_full_version <= \"3.11.0a6\"",
@@ -376,7 +375,7 @@ name = "docutils"
 version = "0.21.2"
 requires_python = ">=3.9"
 summary = "Docutils -- Python Documentation Utilities"
-groups = ["doc"]
+groups = ["dev"]
 files = [
     {file = "docutils-0.21.2-py3-none-any.whl", hash = "sha256:dafca5b9e384f0e419294eb4d2ff9fa826435bf15f15b7bd45723e8ad76811b2"},
     {file = "docutils-0.21.2.tar.gz", hash = "sha256:3a6b18732edf182daa3cd12775bbb338cf5691468f91eeeb109deff6ebfa986f"},
@@ -399,14 +398,17 @@ files = [
 
 [[package]]
 name = "exceptiongroup"
-version = "1.2.2"
+version = "1.3.0"
 requires_python = ">=3.7"
 summary = "Backport of PEP 654 (exception groups)"
-groups = ["test"]
+groups = ["dev"]
 marker = "python_version < \"3.11\""
+dependencies = [
+    "typing-extensions>=4.6.0; python_version < \"3.13\"",
+]
 files = [
-    {file = "exceptiongroup-1.2.2-py3-none-any.whl", hash = "sha256:3111b9d131c238bec2f8f516e123e14ba243563fb135d3fe885990585aa7795b"},
-    {file = "exceptiongroup-1.2.2.tar.gz", hash = "sha256:47c2edf7c6738fafb49fd34290706d1a1a2f4d1c6df275526b62cbb4aa5393cc"},
+    {file = "exceptiongroup-1.3.0-py3-none-any.whl", hash = "sha256:4d111e6e0c13d0644cad6ddaa7ed0261a0b36971f6d23e7ec9b4b9097da78a10"},
+    {file = "exceptiongroup-1.3.0.tar.gz", hash = "sha256:b241f5885f560bc56a59ee63ca4c6a8bfa46ae4ad651af316d4e81817bb9fd88"},
 ]
 
 [[package]]
@@ -414,7 +416,7 @@ name = "furo"
 version = "2024.8.6"
 requires_python = ">=3.8"
 summary = "A clean customisable Sphinx documentation theme."
-groups = ["doc"]
+groups = ["dev"]
 dependencies = [
     "beautifulsoup4",
     "pygments>=2.7",
@@ -431,7 +433,7 @@ name = "idna"
 version = "3.10"
 requires_python = ">=3.6"
 summary = "Internationalized Domain Names in Applications (IDNA)"
-groups = ["default", "doc"]
+groups = ["default", "dev"]
 files = [
     {file = "idna-3.10-py3-none-any.whl", hash = "sha256:946d195a0d259cbba61165e88e65941f16e9b36ea6ddb97f00452bae8b1287d3"},
     {file = "idna-3.10.tar.gz", hash = "sha256:12f65c9b470abda6dc35cf8e63cc574b1c52b11df2c86030af0ac09b01b13ea9"},
@@ -442,7 +444,7 @@ name = "imagesize"
 version = "1.4.1"
 requires_python = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 summary = "Getting image size from png/jpeg/jpeg2000/gif file"
-groups = ["doc"]
+groups = ["dev"]
 files = [
     {file = "imagesize-1.4.1-py2.py3-none-any.whl", hash = "sha256:0d8d18d08f840c19d0ee7ca1fd82490fdc3729b7ac93f49870406ddde8ef8d8b"},
     {file = "imagesize-1.4.1.tar.gz", hash = "sha256:69150444affb9cb0d5cc5a92b3676f0b2fb7cd9ae39e947a5e11a36b4497cd4a"},
@@ -482,7 +484,7 @@ name = "iniconfig"
 version = "2.1.0"
 requires_python = ">=3.8"
 summary = "brain-dead simple config-ini parsing"
-groups = ["test"]
+groups = ["dev"]
 files = [
     {file = "iniconfig-2.1.0-py3-none-any.whl", hash = "sha256:9deba5723312380e77435581c6bf4935c94cbfab9b1ed33ef8d238ea168eb760"},
     {file = "iniconfig-2.1.0.tar.gz", hash = "sha256:3abbd2e30b36733fee78f9c7f7308f2d0050e88f0087fd25c2645f63c773e1c7"},
@@ -493,7 +495,7 @@ name = "jinja2"
 version = "3.1.6"
 requires_python = ">=3.7"
 summary = "A very fast and expressive template engine."
-groups = ["default", "doc"]
+groups = ["default", "dev"]
 dependencies = [
     "MarkupSafe>=2.0",
 ]
@@ -554,7 +556,7 @@ name = "markupsafe"
 version = "3.0.2"
 requires_python = ">=3.9"
 summary = "Safely add untrusted strings to HTML/XML markup."
-groups = ["default", "doc"]
+groups = ["default", "dev"]
 files = [
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@@ -614,7 +616,7 @@ name = "packaging"
 version = "25.0"
 requires_python = ">=3.8"
 summary = "Core utilities for Python packages"
-groups = ["doc", "test"]
+groups = ["dev"]
 files = [
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@@ -636,7 +638,7 @@ name = "pluggy"
 version = "1.5.0"
 requires_python = ">=3.8"
 summary = "plugin and hook calling mechanisms for python"
-groups = ["test"]
+groups = ["dev"]
 files = [
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 version = "2.19.1"
 requires_python = ">=3.8"
 summary = "Pygments is a syntax highlighting package written in Python."
-groups = ["doc"]
+groups = ["dev"]
 files = [
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 version = "8.3.5"
 requires_python = ">=3.8"
 summary = "pytest: simple powerful testing with Python"
-groups = ["test"]
+groups = ["dev"]
 dependencies = [
     "colorama; sys_platform == \"win32\"",
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 version = "6.1.1"
 requires_python = ">=3.9"
 summary = "Pytest plugin for measuring coverage."
-groups = ["test"]
+groups = ["dev"]
 dependencies = [
     "coverage[toml]>=7.5",
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@@ -820,7 +822,7 @@ name = "pyyaml"
 version = "6.0.2"
 requires_python = ">=3.8"
 summary = "YAML parser and emitter for Python"
-groups = ["doc"]
+groups = ["dev"]
 files = [
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 version = "2.32.3"
 requires_python = ">=3.8"
 summary = "Python HTTP for Humans."
-groups = ["default", "doc"]
+groups = ["default", "dev"]
 dependencies = [
     "certifi>=2017.4.17",
     "charset-normalizer<4,>=2",
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+version = "0.11.9"
 requires_python = ">=3.7"
 summary = "An extremely fast Python linter and code formatter, written in Rust."
-groups = ["lint"]
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 ]
 
 [[package]]
 name = "snowballstemmer"
-version = "3.0.0.1"
+version = "3.0.1"
 requires_python = "!=3.0.*,!=3.1.*,!=3.2.*"
 summary = "This package provides 32 stemmers for 30 languages generated from Snowball algorithms."
-groups = ["doc"]
+groups = ["dev"]
 files = [
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 ]
 
 [[package]]
@@ -1046,7 +1048,7 @@ name = "soupsieve"
 version = "2.7"
 requires_python = ">=3.8"
 summary = "A modern CSS selector implementation for Beautiful Soup."
-groups = ["doc"]
+groups = ["dev"]
 files = [
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@@ -1054,32 +1056,33 @@ files = [
 
 [[package]]
 name = "sphinx"
-version = "8.1.3"
-requires_python = ">=3.10"
+version = "7.4.7"
+requires_python = ">=3.9"
 summary = "Python documentation generator"
-groups = ["doc"]
+groups = ["dev"]
 dependencies = [
     "Jinja2>=3.1",
     "Pygments>=2.17",
-    "alabaster>=0.7.14",
+    "alabaster~=0.7.14",
     "babel>=2.13",
     "colorama>=0.4.6; sys_platform == \"win32\"",
     "docutils<0.22,>=0.20",
     "imagesize>=1.3",
+    "importlib-metadata>=6.0; python_version < \"3.10\"",
     "packaging>=23.0",
     "requests>=2.30.0",
     "snowballstemmer>=2.2",
-    "sphinxcontrib-applehelp>=1.0.7",
-    "sphinxcontrib-devhelp>=1.0.6",
-    "sphinxcontrib-htmlhelp>=2.0.6",
-    "sphinxcontrib-jsmath>=1.0.1",
-    "sphinxcontrib-qthelp>=1.0.6",
+    "sphinxcontrib-applehelp",
+    "sphinxcontrib-devhelp",
+    "sphinxcontrib-htmlhelp>=2.0.0",
+    "sphinxcontrib-jsmath",
+    "sphinxcontrib-qthelp",
     "sphinxcontrib-serializinghtml>=1.1.9",
     "tomli>=2; python_version < \"3.11\"",
 ]
 files = [
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+    {file = "sphinx-7.4.7.tar.gz", hash = "sha256:242f92a7ea7e6c5b406fdc2615413890ba9f699114a9c09192d7dfead2ee9cfe"},
 ]
 
 [[package]]
@@ -1087,7 +1090,7 @@ name = "sphinx-autoapi"
 version = "3.6.0"
 requires_python = ">=3.9"
 summary = "Sphinx API documentation generator"
-groups = ["doc"]
+groups = ["dev"]
 dependencies = [
     "Jinja2",
     "PyYAML",
@@ -1106,7 +1109,7 @@ name = "sphinx-basic-ng"
 version = "1.0.0b2"
 requires_python = ">=3.7"
 summary = "A modern skeleton for Sphinx themes."
-groups = ["doc"]
+groups = ["dev"]
 dependencies = [
     "sphinx>=4.0",
 ]
@@ -1120,7 +1123,7 @@ name = "sphinxcontrib-applehelp"
 version = "2.0.0"
 requires_python = ">=3.9"
 summary = "sphinxcontrib-applehelp is a Sphinx extension which outputs Apple help books"
-groups = ["doc"]
+groups = ["dev"]
 files = [
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@@ -1131,7 +1134,7 @@ name = "sphinxcontrib-devhelp"
 version = "2.0.0"
 requires_python = ">=3.9"
 summary = "sphinxcontrib-devhelp is a sphinx extension which outputs Devhelp documents"
-groups = ["doc"]
+groups = ["dev"]
 files = [
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@@ -1142,7 +1145,7 @@ name = "sphinxcontrib-htmlhelp"
 version = "2.1.0"
 requires_python = ">=3.9"
 summary = "sphinxcontrib-htmlhelp is a sphinx extension which renders HTML help files"
-groups = ["doc"]
+groups = ["dev"]
 files = [
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@@ -1153,7 +1156,7 @@ name = "sphinxcontrib-jsmath"
 version = "1.0.1"
 requires_python = ">=3.5"
 summary = "A sphinx extension which renders display math in HTML via JavaScript"
-groups = ["doc"]
+groups = ["dev"]
 files = [
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@@ -1164,7 +1167,7 @@ name = "sphinxcontrib-qthelp"
 version = "2.0.0"
 requires_python = ">=3.9"
 summary = "sphinxcontrib-qthelp is a sphinx extension which outputs QtHelp documents"
-groups = ["doc"]
+groups = ["dev"]
 files = [
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@@ -1175,7 +1178,7 @@ name = "sphinxcontrib-serializinghtml"
 version = "2.0.0"
 requires_python = ">=3.9"
 summary = "sphinxcontrib-serializinghtml is a sphinx extension which outputs \"serialized\" HTML files (json and pickle)"
-groups = ["doc"]
+groups = ["dev"]
 files = [
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@@ -1186,7 +1189,7 @@ name = "tomli"
 version = "2.2.1"
 requires_python = ">=3.8"
 summary = "A lil' TOML parser"
-groups = ["default", "doc", "test"]
+groups = ["default", "dev"]
 files = [
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@@ -1227,7 +1230,7 @@ name = "typing-extensions"
 version = "4.13.2"
 requires_python = ">=3.8"
 summary = "Backported and Experimental Type Hints for Python 3.8+"
-groups = ["default", "doc"]
+groups = ["default", "dev"]
 files = [
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@@ -1252,7 +1255,7 @@ name = "urllib3"
 version = "2.4.0"
 requires_python = ">=3.9"
 summary = "HTTP library with thread-safe connection pooling, file post, and more."
-groups = ["default", "doc"]
+groups = ["default", "dev"]
 files = [
     {file = "urllib3-2.4.0-py3-none-any.whl", hash = "sha256:4e16665048960a0900c702d4a66415956a584919c03361cac9f1df5c5dd7e813"},
     {file = "urllib3-2.4.0.tar.gz", hash = "sha256:414bc6535b787febd7567804cc015fee39daab8ad86268f1310a9250697de466"},
diff --git a/pyproject.toml b/pyproject.toml
index 233b1f39..02485d8b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -75,16 +75,12 @@ test-silicon.cmd = "pytest tests/test_silicon_platform.py tests/test_silicon_pla
 chipflow.cmd = "chipflow"
 
 [dependency-groups]
-lint = [
+dev = [
     "ruff>=0.9.2",
-]
-test = [
     "pytest>=7.2.0",
     "pytest-cov>=6.0.0",
-]
-doc = [
     "sphinx-autoapi>=3.5.0",
-    "sphinx>=7.4.7",
+    "sphinx~=7.4.7",
     "furo>=2024.04.27",
 ]
 
diff --git a/tools/license_check.sh b/tools/license_check.sh
new file mode 100755
index 00000000..4e700344
--- /dev/null
+++ b/tools/license_check.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+docker run --platform=linux/amd64 -v ${PWD}:/src ghcr.io/google/addlicense -v -check -l BSD-2-Clause -c "ChipFlow" -s=only -ignore **/__init__.py **/*.py
+
+