diff --git a/.github/workflows/_build_package.yml b/.github/workflows/_build_package.yml
index 362d3aa..b5897cf 100644
--- a/.github/workflows/_build_package.yml
+++ b/.github/workflows/_build_package.yml
@@ -10,6 +10,8 @@ jobs:
       - uses: actions/checkout@v4
         with:
           lfs: true
+      - run:  git submodule update --init --recursive
+        name: Checkout submodules
       - name: Install uv
         uses: astral-sh/setup-uv@v2
         with:
diff --git a/pyproject.toml b/pyproject.toml
index 0ef897d..81161c5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ packages = [
 
 [project]
 name = "mlfmu"
-version = "1.0.0"
+version = "1.0.1"
 description = "Export ML models represented as ONNX files to Functional-Mockup-Units (FMU)"
 readme = "README.md"
 requires-python = ">= 3.10"