diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 3173b31..90a3c3c 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -32,7 +32,7 @@ jobs:
         python -m pip install --upgrade pip
         pip install build
     - name: Build package
-      run: python -m build
+      run: python -m build --sdist
     - name: Publish package
       uses: pypa/gh-action-pypi-publish@27b31702a0e7fc50959f5ad993c78deac1bdfc29
       with:
diff --git a/pyproject.toml b/pyproject.toml
index afe3244..78b356a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "efmtool_link"
-version = "0.0.7.4"
+version = "0.0.7.5"
 authors = [
   { name="Axel von Kamp", email="vonkamp@mpi-magdeburg.mpg.de" },
 ]