diff --git a/.github/workflows/flake8.yml b/.github/workflows/flake8.yml
index 4714730..6c3cd79 100644
--- a/.github/workflows/flake8.yml
+++ b/.github/workflows/flake8.yml
@@ -16,6 +16,8 @@ jobs:
         python-version: ["3.10", "3.11"]
     steps:
     - uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v3
       with:
diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 39bbb42..d78c6bb 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -19,6 +19,8 @@ jobs:
       LT_HOME: foo/lt/home
     steps:
     - uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v3
       with: