diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index cdc9611..ba79820 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -14,6 +14,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+      with:
+        submodules: recursive
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
diff --git a/mokuro/_version.py b/mokuro/_version.py
index fc0601e..156b8b5 100644
--- a/mokuro/_version.py
+++ b/mokuro/_version.py
@@ -1 +1 @@
-__version__ = "0.2.0-beta.8"
+__version__ = "0.2.0-beta.9"