diff --git a/.github/workflows/check-code.yml b/.github/workflows/check-code.yml
index 406ce375..ac4efda8 100644
--- a/.github/workflows/check-code.yml
+++ b/.github/workflows/check-code.yml
@@ -24,6 +24,8 @@ jobs:
     steps:
     - name: Checkout 🛎️
       uses: actions/checkout@v3
+      with:
+        submodules: recursive
 
     - name: Set up Python 🐍 ${{ inputs.python-version }}
       uses: actions/setup-python@v4
@@ -66,6 +68,7 @@ jobs:
       uses: actions/checkout@v3
       with:
         fetch-depth: 0
+        submodules: recursive
 
     - name: Set up Python 🐍
       uses: actions/setup-python@v4
diff --git a/.github/workflows/check-docs.yml b/.github/workflows/check-docs.yml
index 17505dbe..8fb337f1 100644
--- a/.github/workflows/check-docs.yml
+++ b/.github/workflows/check-docs.yml
@@ -35,6 +35,8 @@ jobs:
     steps:
     - name: Checkout 🛎
       uses: actions/checkout@v3
+      with:
+        submodules: recursive
 
     - name: Set up Python 🐍 ${{ inputs.python-version }}
       uses: actions/setup-python@v4
@@ -67,6 +69,8 @@ jobs:
     steps:
     - name: Checkout 🛎
       uses: actions/checkout@v3
+      with:
+        submodules: recursive
 
     - name: Set up Python 🐍 ${{ inputs.python-version }}
       uses: actions/setup-python@v4
diff --git a/.github/workflows/check-package.yml b/.github/workflows/check-package.yml
index 377fc957..0b5e7ed2 100644
--- a/.github/workflows/check-package.yml
+++ b/.github/workflows/check-package.yml
@@ -51,6 +51,8 @@ jobs:
     steps:
     - name: Checkout 🛎️
       uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - run: mkdir dist && touch dist/.placeholder
     - name: Upload 📤
       uses: actions/upload-artifact@v3
@@ -70,6 +72,8 @@ jobs:
     steps:
     - name: Checkout 🛎️
       uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - name: Set up Python 🐍
       uses: actions/setup-python@v4
       with:
@@ -97,6 +101,8 @@ jobs:
     steps:
     - name: Checkout 🛎️
       uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - name: Set up Python 🐍 ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/check-schema.yml b/.github/workflows/check-schema.yml
index 2109c62f..cf65572b 100644
--- a/.github/workflows/check-schema.yml
+++ b/.github/workflows/check-schema.yml
@@ -20,6 +20,8 @@ jobs:
     steps:
     - name: Checkout 🛎
       uses: actions/checkout@v3
+      with:
+        submodules: recursive
 
     - name: Install dependencies
       run: pip install check-jsonschema
diff --git a/.github/workflows/ci-testing.yml b/.github/workflows/ci-testing.yml
index 310a00a6..815e394a 100644
--- a/.github/workflows/ci-testing.yml
+++ b/.github/workflows/ci-testing.yml
@@ -24,6 +24,8 @@ jobs:
     steps:
     - name: Checkout 🛎
       uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - name: Set up Python 🐍 ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index e4cf69ed..06b9ade6 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -18,6 +18,7 @@ jobs:
       # If you're using actions/checkout@v3 you must set persist-credentials to false in most cases for the deployment to work correctly.
       with:
         persist-credentials: false
+        submodules: recursive
     - name: Set up Python 🐍
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index 1185f773..1ecb53b8 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -21,6 +21,8 @@ jobs:
     steps:
     - name: Checkout 🛎️
       uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - name: Set up Python 🐍
       uses: actions/setup-python@v4
       with:
@@ -44,6 +46,8 @@ jobs:
     steps:
     - name: Checkout 🛎️
       uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - name: Download 📥 artifact
       uses: actions/download-artifact@v3
       with:
@@ -78,6 +82,8 @@ jobs:
     steps:
     - name: Checkout 🛎️
       uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - name: Download 📥 artifact
       uses: actions/download-artifact@v3
       with: