diff --git a/.github/workflows/_test.yml b/.github/workflows/_test.yml
index d74c06c..b4e4612 100644
--- a/.github/workflows/_test.yml
+++ b/.github/workflows/_test.yml
@@ -28,7 +28,7 @@ jobs:
         with:
           python-version: ${{ matrix.python.version }}
       - name: Install the project
-        run: uv sync --upgrade -p ${{ matrix.python.version }} --no-dev
+        run: uv sync --upgrade -p ${{ matrix.python.version }} --no-dev --extra modelTest
       - name: Install pytest
         run: |
           uv pip install pytest
diff --git a/.github/workflows/_test_future.yml b/.github/workflows/_test_future.yml
index 0b46eb5..cbc6c0c 100644
--- a/.github/workflows/_test_future.yml
+++ b/.github/workflows/_test_future.yml
@@ -28,7 +28,7 @@ jobs:
         with:
           python-version: ${{ matrix.python.version }}
       - name: Install the project
-        run: uv sync --upgrade -p ${{ matrix.python.uvpy }} --no-dev
+        run: uv sync --upgrade -p ${{ matrix.python.uvpy }} --no-dev --extra modelTest
       - name: Install pytest
         run: |
           uv pip install pytest